24 Verm. 
VERMES. 
^Szczypiorski, S. B. F. Des entozoaires de l’encdphale. Paris (Stein- 
heil): 1891, 4to, 106 pp. 
^Thompson, P. G. Dasydytes bisetosum. Sci. Goss. 1891, pp. 160-162, 
2 figs. 
New species of Gastrotricha. 
Thorpe, Y. G. New and Foreign Rotifera. J. R. Micr. Soc. 1891, pp. 
301-306, pis. vi & vii. 
7 new species. Male of Trochosphcera cequatorialis from Brisbane. 
Treadwell, A. L. Preliminary Note on the Anatomy and Histology 
of Serpula dianthus (Verrill). Zool. Anz. xiv, pp. 276-280, 2 wood- 
cuts. 
Vaillant, L. Nouvelles 6tudes sur les zones littorales. Ann. Sci. Nat. 
(7) xii, pp. 39-50. 
Biology of Leucodore ciliatus , Johnston. Important biological paper. 
Vallentin, R. Notes concerning the Anatomy of certain Rotifers. 
Ann. N. H. (6) viii, pp. 34-47, pis. iv & v. 
Vejdovsky, F. (1) Entwickelungsgeschichtliche Untersuchungen. Heft 
I. Reifung, Befruchtung und die ersten Furchungsvorgange des 
Rhynchelmis-'Eiea. Prag (J. Otto) : 1888, pp. 1-166, Taf. i-x, & 7 
woodcuts. Heft n. Die Entwickelungsgeschichte von Rhynchelmis 
und der Lumbriciden. Prag : 1890, pp. 167-298, Taf. xi-xx, & 2 
woodcuts. 
This is now recorded for the first time. A third Heft is announced, 
. (2) Bomerkungen zur Mitteilung H. FoPs “ Contribution a l’his- 
toire de la f^condation .” Anat. Anz. vi, pp. 370-375. 
Claim of priority as to discovery of origin of Centrosoma or Periplast. 
(3) Note sur un Tubifex d’Alg^rie. M6m. Soc. Zool. iv, pp. 596- 
603, pi. xv. 
Detailed description of spermatophores of Tubifex blanchardi , n. sp. 
Vierordt, H. Der multilokulare Echinococcus der Leber (Berliner 
Klinik, Heft. 28, 1890, 16 pp.). CB. Bakt. Parasit. ix, pp. 20 & 21. 
Villot, A. L’Evolution des Gordiens. Ann. Sci. Nat. (7) xi, pp. 329- 
401, pis. xiv-xvi. 
Voeltzkow, A. Vorlaufiger Bericht fiber die Ergebnisse einer Unter- 
suchung der Sfisswasserfauna Madagascar. Zool. Anz. xiv, pp. 
214-217 & 221-230. 
Includes Vermes. 
Yoigt, W. (1) Ueber Heterodera radicicola, Greeff, and H. schachtii , 
Schmidt. SB. niederrhein. Ges. 47 Jahrg. 1890. 
1st part. Infectionsversuclie zur Unterscheidung vou Heterodera radici- 
cola und H. schachtii, pp. 66-74. 
