2 Pisces. 
PISCES. 
JoBEUT, — . Hecherches pour servir a I’Histoire de la Respiration chez 
les Poissons. Ann. Sci. Nat. (6) v. No. 8, pp. 4 ; C. R. Ixxxiv. 
pp. 309 & 310. 
Observations made on Callichthys in an aquarium, tending to show 
that it possesses a very complete mode of aerial respiration. 
JoLYET, F., & Regnaud, P. Recherches Physiologiqucs sur la Respi- 
ration des Animaux aquatiques. Arch. Phys. (2) ix. pp. 684-633. 
JoKDAN, D. S. On the distribution of fresh- water Fishes. Am. Nat. xi. 
pp. 607-613. 
Meyer, F. Beitrag zur Anatomie de^ Urogenitalsystems der Selachier 
und Amphibien. SB. Ges. Leipzig, 1876, pp. 38-44. 
Parker, W., & Bettany, G. Morphology of the Skull. London : 1877, 
8vo. On the Skulls of Fishes: the Skulls of the Dog-fish and the 
Skate ; j)p. 14-43. The Skull of the Salmon; pp. 43-82. Appendix 
on the Skulls of different kinds of Fishes ; pp. 83-90. 
Rauber, H. Ueber die Caudal-Intumescenz des Fischmarkes. SB. Ges. 
Leipzig, 1877, pp. 7 & 8. 
SiCARD, A. Etudes sur la nourriture des poissons de mer. Bull. Soc. 
Acclim. (3) iv. pp. 396-400. 
St. Siiileanu, S. De’ Pesci elettrici e pseudo-elettrici. (Dissertazione 
per ottenere la Laurea in Scienze Naturali.) Naples: 1876, 8vo. 
108 pp., 1 pi. 
Tiiacher, J. Median and Paired Fins, a Contribution to the History 
of Vertebrate Limbs. Tr. Conn. Ac. iii. Abstract in P. Am. Ass. 
XXV. [1876], p. 323. 
Wilder, B. On the Brains of some Fish-like Vertebrates. P. Am. 
Ass XXV. [1876], pp. 267-269 [abstract]. 
Winkler, G. Fiskenes Ansigt en Oomparativ Anatomisk Undorsogelse. 
Vid. Medd. 1876. 
Part I. deals with the development, and Part II. with the anatomy 
of the facial portion of the cranium in fishes. 
ZiNCONE, A. Osservazioni anatomiche su di alcune appendici tattili 
dei Pesci. Rend. Acc. Nap. xv. fasc. ix. 12 pp,/pls. i. & ii. 
On the structure of the barbels of Mullus, Motella, Blennius, the 
Barbel and the Tench, and on the free pectoral rays of Trigla. 
T. Gill, on the kinds of fish which are found associated with 
Medusce ; Nature, xvi. p. 362. 
A. Malm, on monoecism in Clupea and Scomber ; CEfy. Ak. Forh. 
xxxiii. v. pp. 67-78. 
Classification. 
E. Cope makes a modification in his scheme of the classification of 
Fishes, viz., that of uniting the Crossopterygia, Chondrostei, and Actino- 
I p)leri into a single fourth sub-class, to be called llyopomata , P. Am. 
' Phil. Soc. xvii. p. 41. See also, “ On the classification of extinct Fishes 
' of the lower types; ” id., P. Am. Ass. xxvi. pp. 292-300. 
