12 Trot. 
PROTOZOA. 
^[Stokes, A. C.] Peridinium and other Infusoria. J. Trenton Soc. i 
(1886), pp. 18-22 ; J. R. Micr. Soc. vi (2), pp. 261 & 262. 
Confirms Klebs as to single long flagellum in equatorial groove of Peri- 
dinium ; probably the same in Oeratium. Notes in regard to various 
Infusoria: Spirostomum teres (conjugation followed by transverse divi- 
sion), Stichotricha secunda , Perty (posterior arms, excrement in the 
mucilaginous sheath), Chilodon caudatus (transverse division), &c. 
. Food-habit of Petalomonas. Sci. Goss. pp. 273 & 274, 1 pi. 
* — — . New Members of the Infusorial Order Choanoflagellata , S. R. 
Am. Micr. J. vii, pp. 227-229 ; J. R. Micr. Soc. 1887, p. 253. 
3 new species. 
* Sur quelques Infusoires nouveaux. J. Microgr. x, pp. 286-292 
& 323-327, 1 pi. 
Stuhlmann, Fr. Beitrage zur Anatomie der inneren mannlichen Gesch- 
lechtsorgane der Cypriden. Z. wiss. Zool. Bd. xliv. 
*Terquem, O. & E. Foraminiferes et Ostracodes de l’lslande et du sud 
de la Norv&ge. Bull. Soc. Z. Fr. xi, pp. 328 & 329, 1 pi. 
^Terquem, M. 0. Les Foraminiferes et des Ostracodes du Fuller’s- earth 
des environs de Yarsovic. Paris : 1886, gr. m., 4 pis. 
°Utilig, Y. Foraminiferen. Polar Station Jan Mayen. Beobachtungs- 
Ergebn. herausg. v. d. Ak. Wiss. Wien, Bd. iii. 
*Vine, G. R. Notes on Polyzoa and Foraminifera of the Cambridge 
Greensand. P. York. Geol. Soc. ix, pp. 10-29. 
Wallich, G. C. Endogenous Division of Rhizopods. Ann. N. H. xviii 
(1886), pp. 30-34. 
Exogenous division in Rhizopods — a mechanical and abnormal lesion ; 
endogenous the only normal process. 
Warpachowsky, N. Eine neue Form von Opalina ( spicidata , n. sp.). 
Bull. Petersb. xxx, pp. 512-514 ; M61. biol. xii, pp. 595-597 ; Ann. 
N. H. xviii, pp. 419 & 420 ; Zool. Anz. No. 235, p. 601. 
Opalina spiculata, n. sp. ; most closely allied to O. prolifer a and O. 
uncinata ; in coelom of young earthworm ; with a long spicule. 
Zacharias, 0. Zur Kenntniss der pelagischen Fauna norddeutscher 
Seen. Zool. Anz. ix, pp. 564-566. [Faunistic.] 
General. 
Evolution of micro-organisms (Balbiani). 
. General notes on morphology and physiology (Berthold, G.). 
Fresh-water Protists (Blochmann, F.). 
General notes on structure ; criticism of Brass (Biitschli, O.). 
Relations of Protozoa and Protophyta (Dangeard, P. A.). 
Theory of Protozoa (Geddes, P.). 
