PROSOBRANCHIATA. 
Moll . 97 
garrettii , p. 47, Viti Is., chathamensis , p. 56, Chatham Is., n. spp., Pilsbry 
in Tryon’s Manual, xiii, figs. 
^Phenacolepas , n. n. for Scutellina , Gray, 1847 (preoccupied for Ec/w- 
nodermata) ; Pilsbry, Naut. v, p. 88. 
fiScwma n. sp., Cretaceous of Upper Bavaria, Boehm, Palaeontogr. 
xxxviii, p. 69, fig. 
Scutellinidce : Monograph ; Pilsbry in Tryon’s Manual, xii, 1890, 
pp. 127-131. Single genus. 
Scutellina , preocc., Phenacolepas [?.v.] proposed. 
PATELLIDvE. 
Monograph : Pilsbry in Tryon’s Manual, xiii, pp. 76-164 (revised 
classification, p. 172), includes : — I. Subfam. Patellince : Patella and 
Helcion. n. Subfam. Nacellinas : Nacella , Helcioniscus. 
Helcion gracile , n. sp., English Channel, Locard, Ann. Soc. L. Lyon, 
xxxvii, p. 230. 
Helcioniscus stearnsii , p. 132, Japan, eucosmia , p. 148, Suez, Japan, 
Australia, melanostomus , p. 151, hab. ?, n. spp., Pilsbry in Tryon’s 
Manual, xiii, figs. 
t Palceacmcea lebescontei , n. sp., Gres Armoricain of Brittany, Barrois, 
Ann. Soc. G6ol. Nord. xix, p. 215, fig. 
Patella boninemis, Japan, Pilsbry, Naut. v, p. 79; P. hypsilotera , 
English Channel, Locard, Ann. Soc. L. Lyon, xxxvii, p. 226 ; 
P. patriarchay Cape of Good Hope, Pilsbry in Tryon’s Manual, 
xiii, p. 105, fig.; P. (Helicioniscus) 8t.earmii f Japan, Pilsbry, Naut. iv, 
p. 100 : n. spp. 
P. scutellina , n. n. [= P. scutellaris , Loc., non Lamk.] ; Locard, Ann. 
Soc. L. Lyon, xxxvii, p. 229. 
Lepetid^. 
Monograph: Pilsbry in Tryon’s Manual, xiii, pp. 66-76, includes 
Subfam. I. Lepetince : Lepeta (with 2 sect, and subgen. Pilidium ), Pro - 
pilidium. II. Lepetellince : Lepetella. 
Titiscaniid^. 
Monograph : Pilsbry in Tryon’s Manual, xiii, pp. 164 & 165. 
InCERTjE Sedis. • 
Pobillardia, Note on ; Fischer, J. de Conch, xxxi, pp. 6-8. 
fTurbinilopsis planorbiformis , n. sp., Fusulina Limestone, Province of 
Palermo, Gemmellaro, Giorn. Sci. Palerm. xx, p. 86, fig. 
1891. [vol. xxviii.] d 7 
