264 
ZOOLOGICAL LITERATURE. 
sp. n., Angas, /. c. p. 154, South Australia. — Patella calamus, Crosse et Fischer, 
ligured in Journ. Conch, xiii. pi, 3, figs, 7 & 8, South Australia, 
Patella compressa (Gm,), miniata (Born), and rustica (L,) are varieties of 
one species. Morch, Froc. Zool. Soc. 1865, p. 97. 
ClIITONIDiE. 
Chiton (Lophyrus) peiDiriclis, sp. n., Carpenter, Proc. Zool. Soc. 1805, 
p. 611, Central Pacific. 
Callochiton pulchellus, diagnosis completed, Carpenter, 1. c. p. 270, Panama. 
Lepidopleurus adamsii and tenuisctdjitiis, sp, n.. Carpenter, 1. c. pp. 274 & 275, 
Panama j both previously confounded under the name of Chiton disp)ar. 
Mopalia kennerlyi, simiata, and imporcata, sp. n.. Carpenter, Proc. Acad. 
Nat. Sc. Pliilad. 1805, p. 59, Puget Sound. 
Ischnochiton ( Trachydei moii) retiporosus, trijidus, pseudodmtietis, and Jlec- 
tens, sp. n.. Carpenter, 1. c. pp. 59 & 60, Puget Sound. 
Ischnochiton elenensis, diagnosis completed, and F. expressus, sp. n., Car- 
penter, Proc. Zool. Soc. 1805, p. 275, Panama. 
Stenochitonjidoides, Microplax yrayi, described in the previous year, are 
now ligured, Aiigas, Proc. Zool. Soc. 1806, pi. 2. figs. 15 & 10. 
Acanthopleuva niyropiinctata, sp. n.. Carpenter, Proc. Zool. Soc. 1865, p. 511, 
Society Islands. 
Chiton californicus, Prescott, Am. Journ. of Science and Arts, 1864, Sept, 
p. 185, afterwards (p. 431) recognized as Cryptochiton stellcri (Middendorft). 
Order OPISTHOBRANCHIATA. 
Hancock, A. On the structure and homologies of the renal 
organ in the Nudihranchiate Mollusca. Trans. Linn. 
Soc. xxiv. pp. 511-530, pis. 54-59. 
The renal organ of various British and foreign species is 
described. There are to be distinguished three chief parts — the 
pericardial chamber, the renal chamber proper, and the pyri- 
form vesicle, the renal chamber proper being diversified to some 
extent in the different genera, the other parts nearly similar 
throughout all the animals examined. There is a very striking 
resemblance between this organ in the Nudibranchiates and the 
renal organ of the bivalve Acephala and that of the Cephalo- 
pods, but a chief difference is that it is single in the Nudi- 
branchiates, paired in the Acephala as well as Cepholopoda, and 
more extensively developed in the Cephalopods than in the 
others. 
Meyer, H. K., und Mobius, K. Die Hinterkiemer der Kieler 
Bucht. See above p. 235. 
A separate article of the introduction, pp. xxiii-xxx, is an 
abridged treatise on the structure and life of the Mollusca 
