10 Verm. 
VERMES. 
of the pronuclei. He corroborates Van Beneden’s observation that the 
pronuclei do not fuse, and holds that impregnation is complete when the 
$ pronucleus is fully formed. 
[Kultschitzky, N.] (2) Ueber die Eireifuug u. die Befruchtungs- 
vorgiinge bei Ascaris marginata. Op. cit. xxxii, p. 671. 
The penetration of the spermatozoon into the ovum depends more on 
the ovum protoplasm than on the movements of the spermatozoon. The 
polar bodies are separated off by a true process of karyokinesis. 
. (3) Ergebnisse einer Untersuchung uber die Befruchtungsvorgange 
bei Ascaris megalocephala. SB. Ak. Berl. 1888, i, p. 17. 
Abstract of conclusions in above memoir. 
. (4) Fertilization of Ascaris. J. R. Micr. Soc. 1888, p. 136. 
Abstract of paper in Arch. mikr. Anat. 1888. 
. (5) Ergebnisse einer Untersuchung uber die Befruchtungs- 
vorgange bei Ascaris megalocephala. Math, naturw. Mitt, and SB. 
Ak. Berl. 1888, p. 1. 
Kunstler, J. Sur de nouveaux vers remarquables. C.R. 1888, i, 
p. 553. Abstract in J. R. Micr. Soc. 1888, p. 428. 
Note on a uew Cestode and a Planarian (unnamed) found in Solen 
vagina ; and on a new Echinohothrium from the foot of the same 
animal. 
Lameere, A. Sur des (Eufs anormaux de VAscaris megalocephala. 
Bull. Ac. Belg. xv, p. 980. 
In two of the Worms the eggs did not assume the usual rounded form. 
They became pear-shaped, and, though most of them were unfertilised, 
exhibited at the narrow end a preparation for the entrance of the 
spermatozoon. 
Lee, A. Bolles. (1) La Spermatog^nese chez les Chetognathes. 
Cellule, iv, p. 107. Abstract in J. R. Micr. Soc. 1888, p. 227. 
— , (2) La Spermatogen&se chez les Nemertiens apropos d’une theorie 
de Sabatier. Rec, Z. Suisse, iv, p. 409. 
Controverts Sabatier’s views, 
Leidy, Jos, (1) Chcetopterus from Florida. P. Ac. Philad. 1888, 
p. 73. 
Note on the external anatomy of C. pergamentaceus (Cuvier), from the 
mouth of the Manatu river. 
— . (2) Entozoa of the Terrapin. P. Ac. Philad. 1888, p. 127. 
Echinorhynchus hamulatus t Cucullanus microcephaly s, Amphisternum 
grande in the intestine; and Polystomum oblongum in the bladder; and 
