REV. T. R. R. STEBBING—CRUSTACEA ISOPODA AND TANAIDACEA. 219 
LANOCIRA ZEYLANICA, Stebbing. 
1904. Lanocira zeylanica, Stebbing, in Herdman, Ceylon Pearl Fish., Suppl. Rep. 28, 
p- 19, pl. 5B. 
The specimens which I identify with this species were labelled as taken, 
Sudan Trials 1 and 44 Sudan F. E. 
Family CyMOTHOID 4, 
Genus Mrrerttia, Stebbing. 
1893. Meinertia, Stebbing, History of Crustacea, Internat. Sci. Ser. vol. Ixxiy. p. 364. 
MEINertia ipricata (J. C. Fabricius). 
1787. Oniscus imbricatus, Fabricius, Mantissa Insectorum, vol. i. p. 241. 
1884. Ceratothoa imbricata, Miers, Zool. Coll. H.M.S. ‘Alert,’ p. 300. 
1900. Metnertia imbricata, Stebbing, South African Crustacea, pt. 1, p. 58. 
Three specimens of this well-known species, but of no exceptional sizes, 
were obtained by the Sudan expedition, under date 11.2.05. 
Family SPH ZROMID &. 
1905, Spheromide, Stebbing, in Herdman, Ceylon Pearl Fish., Suppl. Rep. 28, p. 29. 
1905. Spheromide, H. Richardson, Bull. U.S. Nat. Mus. No. 54, p. 270. 
1905. Spheromine (subfam.), Hansen, Quarterly J. Microsc. Sci. vol. xlix. pt. 1, 
pp. 73, 100, 115. 
It is worthy of notice that the three above-cited discussions of this rather 
perplexing family were contemporaneous and independent, a circumstance 
which may increase the student’s confidence, at least, in those opinions which 
the three authors hold in common. 
Genus SpH#RoOMA, Bosc, 1802. 
SPHHROMA CONGLOBATOR (Pallas). 
1766. Oniscus conglobator, Pallas, Miscellanea Zoologica, p. 194, pl. 14. figs. 18, 19. 
1787. Oniscus serratus, J. C. Fabricius, Mantissa Inseetorum, p. 242. 
1802. Spheroma cinerea, Bosc, Hist. Nat. des Crustacés, vol. 11. p. 186, pl. 15. fig. 8. 
Bose accepts the species which Fabricius in 1793 named Cymothoa serrata 
and Cymothoa assimilis as synonyms of Oniscus conglobator, Pallas, and 
proceeds to give them a new name of his own devising. Fabricius himself 
regarded his assimilis as a synonym of the species which Pallas in 1772 had 
renamed Oniscus globator. It is obvious that in the eighteenth century 
