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Show 426 EXPLANATION . es From Senegal, and presented with two tolerably stout spw • e naturalist. to the Paris Museum by the/::e same insect viewed from beFig. 5. The abdomen o neath. . f the natural size. Body whitish Fig. 6. Myrmeleo clav,corne, 0 • ntennre terminated in a little . the thorax, a with black pomts on ts some of which are almost • all black spo ' . · rounded button, sm h on the inner margm parttcu- . d the others, t ose . f puncuform, an . h superior wings; other lines o . l"ttle hnes on t e h larly, fornung 1 r' . 1 • h are bifid posteriot'ly, at t e ex- 1 some o w 11C the same co our, . • 1 ·ger and almost rounded black f the infenor ones, a at M tremity o F S egal and presented to the u-spot on their middle. rom en seum by the same gentleman. Plate · II. Smen.n thus D umo l~' m' i of the natural size. · Wings . F1g. 1. · ·h-brown · the super10r ones d d f an obscure greytl) ' .. indente an ° r 1 tly marked sinuous, whltlsh-grey with two or three little, s ftg 11' bt·own 'which does not reach b d band o o lVe-lines, and a roa . h' dot and a trilobate spot of a ked Wlth a w Ite . 1 the base, mar it of these same wings wtth a pa er similar colour; extrem y l b d Inferior surface of the four 1 'ndentec an · brown and strong y 1 . • d with a broad black spot on wings paler than the super1oi' an . 1 f ch near the edge. . . f the midd e o ea ' d r -b own in the centre; origm o the Thorax deep-grey an l o 1~e : nnre white, and smallest in the abdomen of the same co our, an e female. '11 l'ke those o f a1 1 the Smerinthi, has a trian· The caterpl ar, 1 d 'th black and red. the whole body 1 · annulate w1 ' b gular head, anc lS • • t From Senegal; on the Baoba ' is sprinkled with bl.ack~sh pOl~ ~· t o specimens. Collection of where M · Dumoulm dtscovet e w Cou~t Dejean. . II: bneri of the natural size. Superior wings Ftg. 2. Castma ~ . ' d almost maculated bands white, with two obhque, '~hne, a~nferior wings blackish with · 'ddle of the wmgs. . beyond the m1 of large dots, neat 1 d base· two ranges f a reddish bot·c er an '. d marginal ones, are o a . f tl e postertor an f h the extrenuty o 1 h' The under surface o t e d d the others w lte. I t minium-re ' an . . . si n to that above, but amos four wings presentmg a stmtlar d~ g f the middle of the infe· entirely reddish, with thelexdcept~~~l;e tet·minal band of the su- n. or ones ' and the externa e ge pen. or, whl'ch are black. OF TilE PLATES. 427 The abdomen agrees in colour with the wings. From South America. Collection of Count Dejean. Fig. 3. .JEgocera Boisduvalii, of the natural size, the third species of the genus that is known. Superior wings vinousbrown with three white bands; one extending along the whole inner margin, the other very short and proceeding from the edge, and the third likewise proceeding from the edge and descending obliquely near the external margin; four violet-grey, metallic spots. Posterior wings yellow with a lunula, and the extremity light-brown; thorax white with vinous-brown pterygoda; abdomen yellow with a series of black points superiorly; antcnnre more slender than those of the .JEgocera venulia. From the western coast of Africa. Cabinet of M. Boisduval. Fig. 4. Coronia Durvillii, of the natural size. Superior surface of the upper wings olive-brown, with an oblique, serrated, whitish band near the middle; that of the base more or less violet, and the middle one slightly tinged with olive on the inner margin which alone is dentated; at the extremity, near the fringe, is a double greyish line, the external one denticulated; the posterior wings, terminated by a moderate tail, are somewhat spatulate, and present in the middle a band of bright violet-blue, very broad near the edge, and terminating in a point near the anal angle. The under part of the whole four is of a pale-olive-brown with a white band on tlte middle of each, and the extremity of a yellowish-grey. From Cayenne. Cabinet of M. Boisduval. Plate III. Fig. 1, 2. An extraordinary species of Floriceps found in the liver of the JJiodon Mola. It is enveloped in a membranous sac (fig. 1 ), which appears to be connected in some way with its body, and to enjoy th~ faculty of voluntary contractions. Fig. 3. The sac opened and the animal exposed. Fig. 4. The Chondracanthus of Laroche, and fig. 4, another of those parasites allied to the Caligi, which have been taken forLernece, and which is from the Trigla. Fig. 5. Brachiella tnynni. The othe1· figures are sufficiently explained in the text, for which see their genera by Index, as well as those of the plate generally. Fig. 6 exhibits the filaments issuing from the anus. Its numerous tentacula must protrude through the opposite opening. |