TE TR AB RANCH I AT A , GASTROPODA, PDLMONATA. Moll. 49 
■fOrthoceras : note on the protoconch; Clarke, Amer. Geol. xii, 
pp. 112-115, fig. Remarks on the specific characters in Orthoceras ; 
Foerste, t. c. pp. 232-236, figg. 
f Streptodiscus, n. n. for Trematodiscus, Meek & Worthen ; Miller, 
advance sheets, 18th Rep. Geol. Surv. Indiana, p. 71. [Miller’s 
name is a synonym for Gcelonautilus , Foord & Crick-, vide Geol. 
Mag. 1893, p. 288.] 
‘ f Titlionoceras, n. g., for T. zitteli , n. sp., Tithonian of the Crimea; 
Retowski, Bull. Soc. Moscou, 1893, p. 222, fig. 
[Pteropoda : See Opisthobranchiata.] 
II. GASTROPODA. 
On the affinities of the several groups ; Bouvier, C.R. Ac. Sci. cxvi, p. 68. 
On the distortion of hermaphrodite Gastropoda ; Bouvier, C.R. 
Soc. Philom. 1893, No. 6, pp. 2-4. 
On the lingual cartilages and cartilaginous tissue; Joubin, C.R. Soc. 
Biol, v, pp. 193-196. 
Structure of the nervous system ; Nabias, C.R. Soc. Biol, v, pp. 155-163, 
figg- 
Coiling of the shell in embryonic Gastropoda ; Fischer, J. Conchyl. xl, 
pp. 309-313. 
Embryology ; Erlanger, Biol. Centralbl. xiii, pp. 7-14. 
On the systematic value of the operculum • Moellendorff, Nachrbl. 
deutsch. malak. Ges. 1893, pp. 136-147. 
PULMONATA. 
Check-list of the Slugs ; Cockerell, Conchologist, ii, pp. 168-176 & 
185-232. 
STYLOMMATOPHORA. 
Testacellidac. 
Ennea calva } p. 157, atomaria , p. 159. Tonkin, Dautzenberg, J. Conchyl. 
xli, figg. ; E. distincta , regularise p. 22, perspicua , co/&m, p. 23, 
Melvill & Ponsonby, Ann. Nat. Hist, xi, figg. ; E. crossleyana , 
p. 106, drakensbergensis , euthymia, maritzburgensis , p. 107, pulchella , 
p. 108, 80 cratica } p. 109, vandenbroeckii , p. 110, Natal, polita , p. 108, 
tharjieldensis, p. 109, Tharfield- [Graham’s Town], vanstaadensis , 
p. 110, Van Staaden’s Riv. [Port Elizabeth], Melvill & Ponsonby, 
op. cit. xii, figg. ; E. johnstoni , karongana , British Central Africa, 
p. 633, ( Ptychotrema ) bassamensis , Grand Bassam, p. 642, ( Edentulina ) 
longula , Mayotte [Comoro Is.], p. 643, Smith, P. Zool. Soc. London, 
1893, figg. : n. spp. 
