ZOOLOGf AND BOTANY, MICROSCOPY, ETC. 549 



is re-defined, to the family Ainmotheidffi, but no true member of the 

 genus Ammothea was seen. The most interesting form is Pentanymphon 

 antarcticum, which is abundant in circumpolar waters, and differs from 

 Nymphon in having an additional pair of legs. At first this was 

 thought to be a quite novel feature in the morphology of the Pycno- 

 gonida, but the Scottish expedition brought another and much finer 

 species from the South Orkneys. This proved to be identical with 

 Decolopoda australis, described by Eights in a forgotten paper some 

 seventy years ago. 



Genus Lycosa in Britain.* — F. P. Smith gives a useful diagnosis 

 of the family LycosidaB, with descriptions of the species of the genus 

 Lycosa hitherto recorded in Britain, notes upon their known localities, 

 and in some cases brief comments upon their habits. 



Arachnological Notes.! — M- ^^1- Kulczynski has revised the genus 

 Amavrohius (C. L. Koch), CceJotes auctoruni, and gives an account of 

 the European species in detail, together with a diagnostic key to both 

 males and females. 



e. Crustacea. 



Notes on Tardigrada.| — James Murray gives a brief but instructive 

 account of the Tardigrada adapted to the initiation of beginners with 

 the study of the group. There are notes on habitat, hab'its, methods of 

 collecting and of observation, form and structure, geographical distribu- 

 tion, and an account of the different genera, including a key for 

 diagnosis. A useful bibliography is appended. 



Antarctic Cumacea.§ — W. T. Caiman describes four species collected 

 by the ' Discovery,' two of which are represented by solitary specimens. 

 No Cumacea have been previously recorded from within the Antarctic 

 circle. The forms described are Lemon australis sp. n., EudoreUa 

 similis sp. n., Cumella australis sp. n., and Campylaspis verrucosa Sars., 

 var. antarctica n. The typical forms of the last-named species occur in 

 the North Atlantic and the Mediterranean, but have probably a much 

 wider range, perhaps continuous with the variety described. 



Antarctic Amphipods.|| — A. 0. Walker reports on fifty-three species 

 collected by the ' Discovery,' of which eighteen are new. Forty-three 

 genera are represented, of which four are new, viz. Podoprionicles (among 

 Lysianassid^e), Proboliella and Thaumatelson (among Stenothoidffi), and 

 Epimeriella (Epimeriidte). As in the Arctic Amphipods, the Lysianas- 

 sidae greatly preponderate in the number of genera, species, and 

 individuals. It was quite the usual thing to take 10,000 to 30,000 

 specimens of Orchomeiiopsis rossi at one haul. The typical Grammaridae 

 are unrepresented. Some good instances of wide distribution are given. 

 Thus, Amjyelisca macrocephala is an abundant Arctic species, though 



* Journ. Quekett Micr. Club, April 1907, pp. 9-30 (4 pis.). 

 t Bull. Internat. I'Acad. Sci. Cracov., Classe Sci. Math, et Nat., No. 6 (1906) 

 pp. 417-74 (2 pis.). 



X Journ. Quekett Micr. Club, April 1907, pp. 55-70 (1 pi.). 



§ National Antarctic Expedition, iii. (1907). Crustacea, II., 6 pp.1 pi. and 4 figs. 



II Tom. cit. Crustacea, III., 38 pp., 13 pis. 



2 2 



