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Show 66 ZOOLOGICAL COLLECTIONS MADE DURING [Jail. 4, EPIALTUS DENTATUS. Epialtus dentatus, M.-Edwards, Hist. Nat. Crust, i. p. 345 (1 834); Nicolet, in Gay's Hist, de Chile, iii. p. 131 (1849) ; Cunningham, I.e. p. 491 (1871). Lnachus mitis, Pdppipr, Arch. f. Naturg. ii. p. 141 (1836); Gay, Hist, de Chile, iii. p. 125 (1849). A single small female is in the collection, obtained on the beach in Trinidad Channel. Its occurrence at various widely separated localities on the coast of Chili is noted by Dr. Cunningham. EPIALTUS MARGINATUS. Epialtus marginatus, Bell, Proc. Zool. Soc. p. 173(1835), Trans. Zool. Soc. ii. p. 62, pi. xi. fig. 4, §, pi. xiii. 8 (1841); Smith, Trans. Conn. Ac. ii. p. 33 (1869). A female and young male are in the collection, from Talcahuano. PUGETTIA, Sp. A single female example is in the collection, which is distinguished from P. richii and P. gracilis, Dana, its congeners of the American coast, as follows:-The body is somewhat more elongated and convex on the gastric region; the lateral expansions or lobes of the carapace are but little prominent, forming small, subcorneal, acute teeth; the spines of the rostrum are slender and but little divergent. The example is a small one ; and being of the female sex it would not be desirable to constitute it the type of a new species. If distinct, as is probably the case, it may be named P. australis. It was obtained at a depth of 28 fathoms, on a bottom of black sand, in lat. 36° 47' S., long. 55° 17' W., at the mouth of the Rio de la Plata. PlSOIDES EDWARDSI. Hyas edwardsii, Bell, Proc. Zool. Soc. p. 171 (1835), Trans. Zool. Soc. ii. p. 49, pi. ix. fig. 5 (1841). Pisoides tuberculosus, M.-Edw. & Lucas, in d'Orbigny's Voy. Amer. merid. vi. Crust, p. 11, pi. v. fig. 1 (1843); Nicolet, in Gay's Hist, de Chile, iii. p. 134 (1849) ; A. M.-Edwards, Crust, in Miss. Scientif. Mexique, p. 75, pi. xvi. fig. 5 (1875). Pisoides edwardsii, Dana, Cr. in U.S. Expl. Exp. xiii. i. p. 87, pi. i. fig. 2 (1852). Two males were collected :-one at Trinidad Channel, at a depth of 30 fathoms, on a sandy bottom; the other at Port Rosario, at 2-30 fathoms, on a bottom of sand and rock. This is a very interesting addition to the Museum collection, as both genus and species were hitherto unrepresented in it. It is one of the few Magellan species having a considerable range to the northward, having been obtained from Chili (Valparaiso), the Galapagos, and Panama. Its occurrence in the Straits of Magellan is now, I believe, for the first time recorded. |