I go BIBLIOGRAPHY. 



into 3 genera — Triton Montfort, Distorsio Bolt., and Ranella Lam. 

 The genus Triton is subdivided vaXo Simpulum Klein., CymaUum 

 Bolten, Guttiirnium Klein., Epidromus Klein., and Priene 

 H. and A. Adams. 



Under the typical species T. tritonis L., the author places 

 T. nohilis Conrad, as a var. and considers T. Segiienza Aradas 

 and Benoit, as synonymous with it. T. Saulia Reeve, and T. 

 austral is Lam., are considered identical with T nodiferns Lam. 

 T. fratercidus Dunker, is thought to be same as T. Bassi Angas. 

 He regards T. Martinianus= Veliei Calkins, T. aq^iatilis Reeve, 

 T. intermedins Pease, and T vestitus Hinds, as identical with 

 T. pilearis L. T munduni Gould=Z! gemmatns Reeve. T. 

 labiosus Wood, embraces the following, previously regarded as 

 distinct: — T. Loroisii Petit, T. Strangei Ad. and Aug., and 

 T. orientalis Nevill. T. Ranzanii Bianconi, is the same as 

 T. tigrinus Brod. T grandimacuhiius is the same as T. 

 loto7-ium L. The T nioritindns Reeve, is T. cynocephalns Lam. 

 T. (Egrotus Reeve, is the same as T. trilineatus Reeve. T. 

 vespaceiis Lam. has included under it T Tkersites, T elongatus 

 and T. gracilis Reeve. T. awiingii Dohrn, is a synonym of 

 clathratus Sow. T testaceus ]\Iorch, and comptus Sow., are 

 identical with obscnrus Reeve. T. pygmmis Reeve, is the same as 

 reticulata Blainv. T bracteatus Hinds, receives latevaricosus and 

 bacillum Reeve. T. tessellatus Reeve, is sunk in the T. concinnus 

 Reeve. T. Oregoiicnsis Redfield, is sunk in cancellatiis Lam. 

 Distorsia cancellimis Roissy, has constrictiis Brod., ridens and 

 decipiens Reeve, as synonyms 



The genus Ranella is subdivided into Z(7w/(75- Schum., Aspa 

 H. and A. Ad., and Atgobiicciiium Klein. Ranella albifasciata 

 Sow., is regarded as a var. of nana Sow. R. bufonia Gmel. 

 receives as synonymic tuberossisima Reeve, asperrinia and 

 Grayana Dunker. R. siphonata Reeve, is considered the same 



J.C, iii., April, 1S81 



