titles. Vend, 19 
241. Western, G. Some foreign Rotifers. J. Quekett Club, v, 
pp. 420-426. 
Several species shown to be British. 
242. . Distyla spinifera. T. c. pp. 427 & 428, pi. xxi. 
243. Wheeler, W. M. Synccelidium pellucidum , a new Marine 
Triciad. J. Morphol. ix, pp. 167-194, pi. viii. 
244. . Planocera inquilina , a Polyclad inhabiting the branchial 
chamber of Sycotopus canaliculatus , Gill. T. c. pp. 195-201, 2 figg. 
245. . Protandric Hermaphroditism in Myzostoma. Zool. Anz. 
xvii, pp. 177-182. 
Criticised by Beard (10). 
246. Whitman, C. 0. Breeding habits of the three Tricladsof Limulus. 
Amer. Natural, xxviii, pp. 544 & 545. 
Bdelloura propinqua and Candida , and Synccelidium pellucidum. 
247. Wierzejskt, A. Rotatoria ( Wrotki) Galicyi. Rozpr. Ak. Krakow 
(2) vi (1893), pp. 160-265, pis. iv-vi. 
161 species, 4 new, but previously mentioned in a r6sum6 [Zooi. Rec. 
1892, Vermes , pp. 29, 82, 86 & 87]. 
248. Williamson, H. C. On a bifid Earthworm ( Lumbricus terrestris). 
Ann. Nat. Hist, xiii, pp. 217-224, pi. x. 
249. Winooradoff, K. Ueber ein neues Distomum aus der mensch- 
lichen Leber ; ein zweiter Fall von D. sibiricum ; fiber Wtirmer 
welche im menschlichen Korper parasitieren ; (nach den Ergeb- 
nissen der Sektionen bei der Universitat Tomsk.) Nachr. Univ. 
Tomsk, iv, 1891 (2), 13 pp. Abstract (critical) in German, by 
M. Braun, in Zool. Centrbl. i, pp. 314-317. 
250. Woodworth, W. McM. Report on the Turbellaria. Bull. Mus. 
Harvard, xxv, pp. 49-52, 1 pi. Report ix, of the Reports on the 
dredging operations off the West coast of Central America : to the 
Galapagos, to the West coast of Mexico, and in the Gulf of 
California, in charge of AleX. Agassiz, carried on by the U. S. Fish 
Commission Steamer ‘ Albatross,’ during 1891, Lieut.-Commander 
Q. L. Tanner, U.S.N., commanding. 
251. Zaciiarias, O. Faunistische Mittheilungen. 2*® Forschungsber. 
Biol. Stat. Plon. vi, pp. 57-90. 
Leeches, pp. 66-69, 2 figg. ; Rotifers, pp. 69, 83 & 84 ; Nemertines, 
pp. 85-87. 
252. . Beobachtungen am Plankton des Gr. Ploner Sees. Op. 
cit. vii, pp. 9i— 137, and Rev. biol. Nord France, vi, pp. 185-194. 
253. Zelinka, C. Ueber die Organisation von Echinodercs. Verb, 
deutsch. Zool. Ges. iv, pp. 46-49. 
