list of publications— CH iETOPODA. Verm . 17 
Zacii arias, 0. (1) Dio Befruchtung des thierischen Eies. Tag. Deut. 
Nat. Yers. 1887, p. 249. 
Criticises Yan Beneden’s account of impregnation in Ascaris megalo- 
cephala. 
*. (2) Land Planarien auf Pilzen. Biol. Gentralbl. viii, p. 542. 
Geodesmus {Fasciola) terrestris found on Agaricus deliciosus. 
. (3) Uebor die Verbreitung dor Turbellarion in Hochseen. Zool. 
Anz. 1888, p. 704. 
14 Turbellarians found in a lake 11G8 mbtres above the sea-level. 
Zeller, E. Generative Apparatus of Diplozoon paradoxum. J. R. 
Micr. Soc. 1888, p. 427. 
Abstract of paper in Z. wiss. Zool. xlvi. 
Zschokke, F. (1) Ein Beitrag zur Kenntniss der Yogeltsenien. CB. 
Bakt. Parasit. iii, pp. 2 & 41. 
Description of Tccnia argentina , n. sp., from Rhea amcricana. 
. (2) Ein weiteres Zwischcnwirth des Bothriocephalus lulus. Op. 
cit. iv, p. 417. 
Trutta lacustris is an intermediate host. 
III.— REFERENCES. SYSTEMATIC CLASSIFICATION. 
GASTEROTRICHA. 
Chcetonotu8 : C. enormis , n. sp., with pi., 0. acanthophoriis , n. sp., with 
pi., C. formosus , n. sp. ; Stokes. 
Dasydytes and D. saltitans, n. sp., Stokes. 
ENTEROPNEUSTA. 
Literature for 1885-87 ; Marenzeller. 
Balanoglossus mereschlcowskii , Schimkewitsch. 
CHiETOPODA. 
Literature for 1885-87 ; Marenzeller. 
Development ; Salensky (1). 
Eyes compared with Arthropod simple eyes ; Kennel (2). 
Discussion of excretory organs ; Bergh (1). 
Germinal layers ; Roule (1, 2). 
Nephridia ; Spencer (2). 
Pericardial glands ; Grobben. 
1888. [vol. xxv.] f 3 
