210 
ZOOLOGICAL LITERATUllE. 
ERA'] 
J ^ 
lateral j lateral graduated towards sides : 4. Micromesm (g. n., type Wi. ad- 
spersUf M. & II.). ^ 
II. ^tohatince (Agass.) : 5. ^tohatisj with which Guniohatis (Agass.) 
should be united. 
^ Myliohatis californicus. This name is proposed by Mr. Gill (/. c. p. 137) 
for HhinojJtera vcspertilio (Girard), this latter specific denomination being 
preoccupied. 
JEtohatis laticeps, sp. n., Gill, /. c. p. 137, from California. 
' ‘ IIOLOCEPHALA. 
CaUorhynchus capensis, sp. n., Dumeril, Elasmobr. p. 695, pi. 13. figs. 5 
& 5a, from the Cape of Good ilo'pe.— CaUorhynchus peronii, and U. untar c- 
ticus are figured in the same work on pis, 13 & 14. 
CYCLOSTOMATA. 
Petromyzon Jluviatilis. M. Owsjannikow has examined its organ of hear- 
ing. M«5m. Ac. Sc. St. Ptitersb. viii. 1864, pp. 19, with two plates. 
\ Petromyzon omalii (Van Ben.). Some additional notes on its occurrence 
on the coasts of Belgium, by Van Beneden. Bull. Acad. Sc. Belg. xx. 1865, 
p. 40. 
^ Petromyzon acutidens, sp. n., Philippi, Wiegm. Arch. 1864, p. 107 (trans- 
lated in .Aiiii, & M,ag. Nat, Hist, 1865, xvi. 221), the Anguilla ” of Chili. 
