PROTOBRANCHIATA, AMPHINEURA. 
Moll. 75 
PRO TOBRANCHIA TA . 
fNucula cossmanni , Sables Moyens, Paris Basin, Vincent, Bull. Soc. 
malac. Belgique, 1892 [1894], p. xl, fig., n. sp. 
Yoldia montereyensis , California, Dall, Nautilus, vii, p. 29 ; Y. c alii eta t 
E. coast U.S.A., Busii, Bull. Mus. Harvard, xxiii, p. 233, figg. : 
n. spp. 
Y. AMPHINEURA. 
APLACOPHORA. 
Monograph : Simrotii in Bronn, (44) pp. 133-233. 
Choitodcrma nitidulum, Loveu, structure and anatomy ; Wiren, Svensk. 
Ak. Handl. xxiv, No. 12 (1892), 6G pp., 7 pis. 
J Echinomcnia, n. g., type Lepidomenia corallophila , Kow. & Mar. ; Sim- 
roth, Zeitschr. wiss. Zool. lvi, p. 325, and in Bronn, (44) 
p. 233. 
\ L 
' Macellomenia, n. g., type Paramenia palifera , Pruvot; Simroth, Zeitschr. 
wiss. Zool. lvi, p. 323, and in Bronn, (44) p. 231. 
^ Myzomenia , n. g.,type Dondersia banyulensis, Pruvot ; Simroth, Zeitschr. 
wiss. Zool. lvi, p. 324, and in Bronn, (44) p. 231. 
4 Nematomenia , n. g., type Dondersia flavens i Pruvot ; Simroth, Zeitschr. 
wiss. Zool. lvi, p. 324, and in Bronn, (44) p. 232. 
Paramenia pruvoti , n. n. for P. vagans, Pruvot ; Simroth, Zeitschr. wiss. 
Zool. lvi, p. 325, and in Bronn, (44) p. 232. 
^Pararrhopalia, n. subg. of Paramenia , type P. pruvoti, n. n.for P. vagans , 
Pruvot ; Simrotii in Bronn, (44) p. 232. 
Proneomenia sluiteri , Hubrecht, anatomy ; Heusciier, Jena Zeitschr. 
xxvii, pp. 477-512, 4 pis., text figg. P. langi , n. n. for P. sluiteri , 
Lang, non Hubrecht ; Simroth in Bronn, (44) p. 228. 
1 Rhopalomenia , n. g., type Neomenia gorgonophila, Kowalewski ; Simroth, 
Zeitschr. wiss. Zool. lvi, p. 322, and in Bronn, (44) p. 229. 
POLYPLACOPHORA. 
Monograph completed (save appendix) by Pilsdrt (381) who revises his 
classification ; for conclusions, see ante , pp. 30 & 31. The following 
are new : subfam. Callistoplacince , fam. Mopoliidce , Acanthochitidce ; 
subfam. Chitonince, Totiiciince , Liolophurince. — Circulatory and 
renal organs of Chitons ; Plate, SB. Ak. Berlin, 1893, pp. 962- 
966. 
