RECENT ADVANCES IN SCIENCE 459 



" A New Cestode of the Genus Zschokkeela " {Ann. and Mag. 

 Nat. Hist. 91 July 191 5) and " A Trematode from Protopterus " 

 (ibid. 92 August) are dealt with by Baylis. Hunt shows that 

 Enchytracus albidus regenerates when cut off between the 

 eighth segment and the posterior end (American Naturalist, 

 August 191 5). The regeneration takes place in salt or fresh 

 water, and more readily posteriorly than anteriorly. 



Clark makes " A Study of Asymmetry as Developed in 

 Genera and Families of Recent Crinoids " (American Naturalist, 

 September 191 5). 



Certain new molluscan species are recorded : " Descriptions 

 of a New Modiola from Ceylon and of a New Tellina from New 

 Caledonia" (Ann. and Mag. Nat. Hist. August 191 5); and 

 11 Descriptions of New Species of Mollusca from Various Locali- 

 ties" by Sowerby (Ann. and Mag. Nat. Hist. September 191 5). 



The Crustacea are treated in three papers. Cunnington 

 describes the Entomostraca of the Albert Nyanza (Ann. and 

 Mag. Nat. Hist. July 1915). In the September number of the 

 same journal Collinge adds " Some Observations on the Isopod 

 Idotea hectica" and in " On the Species of Lucifers and their 

 Distribution " Borradaile helps to clear up the muddle into 

 which this genus had fallen. 



As before, the Insecta are well represented. Cockerell adds 

 two more notes to his already long series on " Descriptions and 

 Records of Bees " (Ann. and Mag. Nat. Hist. July and August 

 191 5). " Notes on the British Machilidce with Descriptions of 

 Two New Species " are contributed by Reilly (Ann. and Mag. 

 Nat. Hist. July 191 5). Various Coleoptera figure in " On New 

 Species of Histeridce and Notices of Others " by Lewis (Ann. 

 and Mag. Nat. Hist. July), " The Xylophilida? of Ceylon " by 

 Champion and " Note on the Nomenclature of Certain Species 

 of Ruteline Coleoptera " by Arrow (both in Ann. and Mag. Nat. 

 Hist. September 191 5). Australian forms are dealt with by: 

 Distant in " On Some Australian Cicadidce," and Recardo in 

 " Notes on the Tabanidce of the Australian Region " (both in 

 Ann. and Mag. Nat. Hist. July 191 5), Campion in " A New 

 Agrionine Dragonfly from Northern Australia " (Ann. and Mag. 

 Nat. Hist. August 1915). Additions to the known species of 

 Lepidoptera are to be found in " New Species of Indo-Malayan 

 Lepidoptera " by Swinhoe, and in " Descriptions of New Species 

 of Lepidoptera from Africa and the East," by Bethune-Baker 



