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Show ~ TilE VOYAGE OF TilE DEAGLE. ZOOLOGY OJ! ' • . 2() . t of naming after Captam FltZ-This species, which I have taken the hbl e: rn some respects to the Delpltinus f tl Beagle approac le ss the Hoy the Commander o 1e C ·u , but that animal does not posse sr~pe;·ciliostts of the "Voyage d~ la . ~qUlo;· the body; it likewise wants the gray oblique dark-gray bands on t le Sl e~· tl e mouth to the pectoral fins. In the mark which extends from the angle .. o 1. ·epl·esented as almost white, whereas f 1 D :11erc~lwsus IS 1 • • • figure the under lip o t le . sur . d . f·om the fio-ures, there is hkewrse con- . n the present species it is black : J u gmfig I which b illustrates this description 1 ·u . blc difference m. t l f ·m The gure . . lC or . f ll t ken by Mr. Darwm unme- SI era . . nsions, which were care u y a agrees wtth the dime . d and hence is correct. . diatcly after the animal was captme ' l harpooned from the Beagle m the "This porpoise, wl 11. c 11 w as a fema e ' was _ < hich were sport•m g roun d f . l in a large troop, w 11 t Bay of St. Joseph~ out o sevei~' tain FitzH.oy for having made an _exce_ en the ship. I am mdebted to ?ap . f· hich the accompanymg lttho- coloured drawm. g of 1't , when fresh killed, lOrn w graph has been taken."-D. FAMILy-CAMELIDlE. AucHENIA LLAMA. Desmw·est. Guanrwo of the aborigines of Uhile. h 1 f the temperate part s of South "THE Guanaco abounds over the w_ o e od l F ego through Patagonia, the America from the woo d e d I·S 1 a n d s o f Tterra c . u 'f p . I saw several of ' ' . the Conltllet·a o em. hilly parts of La Plata, Chtle, even to . h f Cape Horn . the Guanaco, . · I l d £ ty miles nort o < ' these animals m N avann s an ' or . h bitants of the same . f fox anu mouse, m a therefore has, with the exceptiOn o a . d . eels Although pre- , f n Amencan qua mp · island, the most southern range o a_ 't a. relative the Vicuna. · · · ld · tlus respect to l s ne 1 - ferring an elevated stte, rt YIC s m l . . . ater· numbers than tn I) · · saw t tem m gre On the plains of Southern atagoma, we d f' half a dozen to thirty ll h · small her s, rom < any other part. Genera Y t ey go 111 h ·d which must have too-ether ; but on the bank s of t1 l e S an ta Cruz , we saw one f' tehr S, t ·ait of Magellan 0 contam. ed at least fi•v e 1m n dr.e d · 0 n the northern shores o e 'ld1 ' . d extremely they are also very numerous. ,...,h G cs are generally wr an J. e uanaco . throtlgh a glass a wary· Mr Stokes told me, t l tat h e one. d ay 1·1 1 PataO'oma saw b d unning away herd o. f the. se lleasts, whr. ch ev.r dcntly had .u_ een f.n· gl 1 t e ned • an wei·c r MAMMALIA. 27 at full speed, although their distance was so great that they could not be tlistinguished by the naked eye. "The sportsman frequently receives the first intimation of their presence, by hearing from a long distance their peculiar shrill neighing note of alarm. ] f he then looks attentively, he will, perhaps, see the herd stantling in a line on the side of some uistant hill. On approaching, a few more squeals arc given, and then off they set, at an apparently slow but really quick canter, along some narrow beaten track to a neighbouring hill. lf, however, by chance he should abruptly meet a single animal, or several together, they will generally stand motionless, and intently gaze at him;- then, perhaps, move on a few yards, turn round, and look again. What is the cause of this difference in theit· shiness? Do they mistake a man in the distance for tl1eir chief enemy the puma? Or does curiosity overcome their timidity ? That they are curious is certain, for if a person lies on the ground, and plays strange antics, such as throwing up his feet in the air, they will almost always approach by degrees to reconnoitre him. It is an artifice that was repeatedly practised with success by the sportsman of the Beagle, and it had moreover the advantage of allowing several shots to be fired, which were all taken as parts of the performance. On the mountains of 1'ierra del J7ucn-o, and in other places, I have more than once seen a Guanaco on being approached, not only neigh and squeal, but prance and leap about in the most ridiculous manner, apparcutly in tlcfiance, as a challenge. These animals arc very easily domesticated, and I l1avc seen some in this state neat· the houses in northern Patagonia, although at huge on their native plains. They arc, when thus kept, very bold, anu readily attack a man, by striking him from behind with both kuccs. It is asserted, that the motive for these attacks is jealousy on account of their females. The wild Guanacoes, however, have no idea of defeuce; and even a single dog will secure one of these large animals, till the huntsman can come 11p. In many of their habits they are like sheep .in a flock. Thus when they sec men approaching in several directions on horseback, they soon become bewildered, and know not which way to run. This circumstance greatly facilitates the Indian method of hunting, fot· they arc thus easily driven to a central point, and at·e encompassed. "The Guanacoes readily take to the water; several times at Port Valdes they were seen swimming from island to islanu. Byron, in his voyage, says he saw them dl'inking salt water. Some of our officers likewise saw a herd apparently drinking the briny fluid from a Salina neat· Cape Blanco; and in se'teral parts of the country, if they uo not drink salt water, I believe they drink none at all. In the middle of the day, they frequently roll in the du t, in saucershaped hollows. The males often fight together; one day two passed quite close to me, squealing and trying to bite each other; and several were shot with thei1· E 2 |