104

REPORT ON ZOOLOGY, MDCCCXLIII.

Caranx defensor, De Kay. Depth of the body equals one third of the wholelength; a recumbent spine before the dorsal fin; no false dorsal fins; a blackspot on the operculum; 9 inch. D. 7. 1. 20; A. 2. 17. New "York.

Capros a-ustralis, Richardson (Annals xi, p. 170). D. 7.18; A. 2.17; 10inch. Van Diemen’s Land.

Teuthimj.— Amphacanthus gymnopareius, Rich. (Ann. xi, p. 174), Darkred-brown.* A. notostictus (id, p. 172). Black spots on the sides; an obliqueband runs downwards from the posterior part of the eye. Port Essington.

Acanthurus grammoptilus, Richardson (Annals xi, p. 176). D. 9. 26 ; A.3. 24. Port Essington.

Mugilidjs.— Magil Abu, Heekel., ‘ Eisohe Syriens,’ p. 107 (1097). D. 4.1. 8; A. 3. 8.

Atherina microlepidota, Jenyns. Beagle . Seales small, in 18 longitudinalrows. D. 15. 1.11; A. 1. 17; 4 inch. Valparaiso. A. incisa (id.) Scalesof medium size, in 12 longitudinal rows; 2£ inch. D. 5. 1.18; A. 1.17 ; toD. 6. 1. 10 ; A. 1. 19. Chili. A. hepsetoides, Richardson (Ann. xi, p. 178).D. 9. 1. 11; A. 1.14. Port Arthur . A. presbyteroides (id.) D. 9. 11; A. 1.12, ib. A. nigrans (id.). D. 1. 4. 1. 12; A. 1. 18. Port Essington.

Blennim:.— Blenechis fasciatus, Jenyns, Beagle. 2 i inch. D. 13. 16;A. 20; Y. 2. Chili. B. ornatus (id.) 2 inches. D. 12. 11; A. 20.Chili.

Clinus crinitus, Jenyns, Beagle . The palpebral cirrhi constituted of eighthairs, distinct from the base; 6£ inch. D. 26.11; A. 2. 24; Y. 3. Chili.

Jenyns has placed near Clinus a new genus, Acanthoclinm, which differsfrom Clinus in the greater number of spinous rays in the anal fin, a longitu-dinal band of minute teeth on the tongue, the position of the abdominal finsbeneath the pectorals, and in the presence of three lateral lines. A. fuscus,P. 6 ; D. 20. 4; A. 9. 4; V. 1. 2. New Zealand .

Clinus littoreus, Cuv., Val., also from New Zealand , probably belongs to thisgenus.

Tripterygion capiio, Jenyns, Beagle . The lateral line scarcely extends be-yond the pectoral fin; 2§ inch. D. 6. 20. 14; A. 25. New Zealand .

Jenyns (Voyage of the Beagle, p. 165) institutes two new genera in thefamily of the Blennidm. Both agree in having a smooth, posteriorly com-pressed body, in the presence of two large conical teeth, in front of theothers, in the upper jaw; of a single pointed tooth on the vomer, and tworows of teeth on the palate, in the extremely small size of the abdominal fins,and in the fusion of the dorsal and anal fins with the caudal. The one, how-ever, Iluoccetes (I. firnbricatus, from Chili), has in each jaw a row of teeth,five rays in the branchiostegous membrane, and the jaws, suborbital hones,and preeoperculum fringed with membranous tubes. The other, Plmcoccetes

* In the prepared specimen.