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Show 20 ZOOLOGICAL COLLECTIONS M A D E DURING [J 5. AGRIOPUS PERUVIANUS, C. V. West coast of Patagonia. 6. ELEGINUS MACLOVINUS, C. V. Tom Bay, from a brackish lagoon, and Cockle Cove. 7. APHRITIS GOBIO, Gthr. Portland Bay, Magellan's Straits, and Stanley Harbour, Falkland Islands. 8. CH^ENICHTHYS ESOX, Gthr. Puerto Bueno. 9. NOTOTHENIA MACROCEPHALA, Gthr. Puerto Bueno and Trinidad Channel. 10. NOTOTHENIA TESSELLATA, Rich. Puerto del Morio, Latitude Cove, Puerto Bueno. 11. NOTOTHENIA LONGIPES, Steind. Isthmus Bay, in 14 fathoms. 12. NOTOTHENIA CORNUCOLA, Rich. Cockle Cove. 13. TRACHURUS TRACHURUS, L. Francisco Bay. 14. NEOPHRYNICHTHYS LATUS, Hutton. (Plate I.) Of this very interesting fish, which was discovered only a few years ago by Mr. Hutton in New-Zealand, a specimen 16 inches long is in the collection. Fortunately, by the kindness of Mr. Hutton, I am in a position to compare the American specimen with one obtained on the New-Zealand coast. Structurally they are identical ; only some small tentacles are developed in the American specimen above the eye and on some parts of the body. The coloration is a blackish brown, marbled with lighter brown and grey. These differences are not sufficient to indicate specific distinctness. The specimen was obtained in Swallow Bay (Magellan's Straits). 15. LYCODES LATITANS, Jen. Portland Bay. 16. MAYNEA PATAGONICA, Cunningham, Trans. Linn. Soc xxvii. 1871, p. 472. (Plate II. figs. C and D.) Of this fish a second, much younger specimen was discovered by Dr. Coppinger at Port Rosario. It is 3-g- inches long, and marked by fourteen broad blackish-brown cross bands, of which there is no trace in the adult specimen. The fact that the same style of coloration obtains in the young stage of Gymnelis pictus (which also otherwise is so closely allied to Maynea) renders it all but certain that G. pictus is likewise an Antarctic species. W e figure it here side by side with its nearest allies (Plate II. fig. B.). MELANOSTIGMA, g. n. Lycodid. This genus agrees with Gymnelis and Maynea in the absence of ventral fins, and technically may be distinguished from both by the much more elongate teeth, which in the jaws, as well as on the vomer and palatines, stand in a single series. However, there are other |