t8o bibliography. 



and 2 Brachiopods. Of this number the following are described 



as new: — ■Clatliir e.lla riifiiiodis, Mauritius (pi. x\., i. 2), Daph- 



nella trivaricosa^ Mauritius (pi. xx., {. i), Terebra aznilesceus v. 



fiammulata (pi. xx., £ 5), Pisania ncevosa, Mauritius (pi. xx., f. 8), 



Pisania amphodon, Mauritius (pi. xx. , f. 9), Phos textiis v. 



rhodostoma, Seychelles (pi. xx., f. 7), Pllcatella ( Peristernia) 



bofiasia, Seychelles (pi. xx., f 6), Columbella spiratella, Mauritius 



(pi. XX., f. 12), C. circinnata (pi. xx., £ 14), Turrictda (Thala) 



si//ii/lajis, Mauritius (pi. xx., £ 18), Marginellji majuscula, Cargados 



(pi. xxii., £ 2), Trifoiis cfassiila, Mauritius (pi. xxii., £ i), 



Turritella co/icava, Mauritius (pi. xx., £ 19), Rissoa (Alvania) 



Mauritmna, Mauritius (pi. xx., £ 17), Leptothyra purpurata 



V. tricingulafa, Mauritius, Leptothyra roseocincta, Mauritius 



(pi. XX., £ 22), Trochiis ( Aphanotrochiis) chrysohemus, Mauritius 



(pi. XX., £ 20), CheniJiitzia ' chrysozona, Mauritius (pi. 



XX., £ 21), Doridiiun guttatuni, Mauritius, Aplysia nigrociiida, 



Mauritius (pi. xxi., £ 3), Pleurobranchiis scutatus, Mauritius (pi. 



xxi. , f. 8), Gadinia Mauritiatia, Mauritius (pi. xxii., £ 3), Pinna 



ceqinlatera^ Mauritius ([)1. xxii., £ 4), and Liiciiia ( Divaricella) 



angulifera (pi. xxii., £ 14). 



This excellent treatise closes with a tabular view of the relative 

 distribution of the species in the different places enumerated, 

 and an account of the anatomy oi Buliniinus velntiniis, Pachystyla 

 tnvejsicolor :i.r\d. Stvlodonta nnidentata. 



Deep Dredgings in the Lake of Tiberias. — In the 



deep dredgings in the Lake of Tiberias, M. Lortet has found ten 

 species of moUusca, three of which are new to science. Unto Lor- 

 teti, U. inaris-galilcei and U. Pietri. The other species are Unio 

 teri/iinalis, and U. iigrtdus, Cyrena fliiniinalis, Nerititia jordani^ 

 Melania iicbercnlata, Melanopsis prcpvi07sa, and M. costata. The 

 three latter give the fauna a marine aspect, The Unio shells at 



].Q., iii., April, 1881 



