146 
MOLLUSCA. 
uniseriata, paucidentata, dentes cuspide elongata, ad latera radicis cuspidis 
minute dentiQulati. M. oxyacantha, sp. n., Limfjord, Jutland, id. ibid. 
Cuthona pumilio, sp. n., id. Verli. z.-b. Wien, xxi. p. 1281, pi. 11. figs. 11-20, 
Atlantic gulf- weed. 
Sparella sargassicola (Kroyey), id. ibid. p. 1283, pi. 13. figs. 9-19, Atlantic 
gulf-weed. 
Tergipes claviger (MenkeV Its development has been studied 
by Selenka on the shores of Zandvoort, Holland. The egg- 
clusters, fixed on SertularicB, the cleaving of the yelk, which is 
effected in a somewhat different way to that in Elysia or Cy- 
clostoma, the formation of the various organs, the embryonic 
shell and operculum, which is not large enough to completely 
close the opening, &c., are accurately described. Nied. Arch. 
Z. i. (1871) pp. 1-10, pis. 1 & 2. 
Ccdliop(Ba helhda (Orb., \^^7) — Emblet(miamari(e (Meyer & Mobi us), shores 
of W. France and Baltic; C. vesiculosa {Custiphorus *d., Desk.), Algiers; C. 
fucata (Gould), Boston ; C. souleyeti (V^rany), Nizza : Fischer, J. de Conch, 
xix. pp. 89-92. 
Fiona atlantica (Bergh) : Bergh, Verh. z.-b. Wien, xxi. p. 1287, 
Glaucus atlanticus (Forst.) and gracilis (Bergh) described, id. ibid. pp. 
1300-1302. 
Herm^eidas. 
Beccaria tricolor (Trinchese, 1870) = Caliphylla mediterranea (Costa) : 
Gentiluomo,Bull. Miilac. iv. p. 110. The original description is translated in 
Ann. N. H. (4) vii. p. 391. 
PnYLLIRRHOIDiE. 
Phyllirrhoe atlantica (Bergh) (Eydoux & Souleyet, nec P^ron), 
and particulars concerning its anatomy are given l>y Bergh, 1. c. p. 1302. 
PULMONATA. 
Geophila. 
Ilyalina cellar ia, Limax maximus and Jlavus {—variegatus, Drap.), and 
Arioti fiiscus, slugs and snails living in cellars, are discussed by Binney, Am. 
Nat. iv. p. 166. 
Instances of Helix fodens (Stud.), H. setosa (Ziegl.), H. hoi'tensis, var. 
arenicola (Macg.), H. arbustorum, var. (Charp.), and Ilyalina alliaria (Miller) 
being distinguished by a peculiar smell, are collected by the Becorder in 
Nachr. malak. Ges. iii. pp. 201 & 202. 
For notices of the genital apparatus of II. adspersa, and renewal of the dart 
in H. nemoralis and hortensis, cf. supril, pp. 121 & 122. 
ONCHIDIIDiE. 
Onchidium celticum (Gxxv.^^tuberctdatum (Crouan), described by Tasl^, 
Faune Mai. Mar., Suppl., and J. de Conch, xix. p. 368. R6cluz treats of the 
