OPISTHOBRANCHIATA. 
Moll. 63 
OPISTHOBRANCHIATA. 
Memoir on the representative forms, with anatomy and phylogeny ; 
Pelseneer, Mem. Corn*. Ac. Belgique (4to) liii. 
Review of new works on ; Simrotii (381). 
NUDIBRANCHIATA. 
Alderia scaldiana , Nyst, disappearance from the lower Escaut, Belgium ; 
Raeymaekers, Pr. verb. Soc. malac. Belgique, xxiv, pp. cl-clv. 
Ceratosoma , monograph of the genus ; Rociiebrune, Arch. Mus. Paris, 
vii, p. 119, &c., figg. 
C. jousseaumi, rhopalicum , Red Sea, lixi, gibbosum, Torres Straits, 
francos sii, Noumea, New Caledonia; Rociiebrune, Naturaliste, 1894, 
p. 55 [figg. in Arch. Mus. Paris, vii] : n. spp. 
Dendronotus arborescens , structure of the cerata ; Cluhr, P. Liverp. biol. 
Soc. ix, pp. 200-234, 2 pis. 
Doris maculata , Plymouth; Garstang, J. Mar. Biol. Ass. iv, p. 167 : 
D. umbrella , Gulf of California ; Rociiebrune, Bull. Mus. Paris, i, 
p. 239 : n. spp. 
Doto (?) occllifera , Bermudas ; Simrotii (377) p. 168, figg. : n. sp. 
Iledyle, n. g., p. 4, for II. wcberi , n. sp., p. 5, Indian Ocean, with an 
account of its anatomy ; Bergii, Verh. Ges. Wien, xlv, figg. 
rhyllobranchus borgnmii t note on the nervous system ; Trinciiese, Rend. 
Aco. Napoli, ii, p. 37. 
Scylhea pclagica, Linn., rediscovered in Victoria ; Hedley, P. Soc. 
Victoria, vii, p. 199. 
Tethys , on the status of the name ; Pilsbry, Ann. Nat. Hist, xvi, p. 424. 
TECTIBRANCHIATA. 
Fossil genera ; Cossmann (92). 
BTJLLOIDEA. 
Abderospira , n. sect, of Bullina , type fJ5. chipolana , n. sp. ; Dall, 
P. U. S. Nat. Mus. xviii, p. 32. 
^ Acer a neocomiensis, Lower Neocomian, Marolles; Cossmann (92) p. 153, 
figg. : n. sp. 
Acerida ;, n. fam. for Accra , Ampliisphyra , and Cylindrobulla ; Cossmann 
( 92) p. 102. 
Acrocolpus f n. subg. of Bidla , type f B. plicata , Desh. ; Cossmann 
( 92) p. 92. 
Action browni , Faroe Channel; Jordan, P. Malac. Soc. London, i, p. 267, 
fig. : n. sp. 
f Actceonella terebellum , Upper Turonian beds of Gosau ; Cossmann (92) 
p. 148, figg. : n. sp. 
