CORTICATA. 
Frot . 21 
Colpodium, Paramcecium , Enplotcs (Maupas, E.) ; description of conju- 
gation. 
Leucophrys patula, Ehr. : its modes of multiplication (Maupas, E.). 
Opcilina ranarum and Gastrostyla vorax, structure and history (Nuss- 
baum, M.). 
Opalina : nuclei multiplying only by karyokinesis, and exactly similar 
in structure to Metazoan nuclei (Pfitzner, W.). 
Lacrymaria teres , n. sp., Prorodon limnetis, n. sp., Leucophrys curvilata , 
n. sp. (Stokes, A. G.). 
Urotricha platysoma, n. sp., Loxophyllum vorax , n. sp., Tillina cam- 
pyla , n. sp ., Amphileptus monilatus , n. sp., Colpodium putrinum and C. 
striatum, n. spp., Dallasia, n. g. (Stokes, A. 0.). 
Colpoda depressa, n. sp. (Stokes, A. C.). 
Opalina spiculaia , n. sp. (Warpachowsky, N.). 
4. Hypotricha. 
Spirochona crystallina, n. sp. (Canu, E.). 
Structure of Aspidisca (Fiszor, Z.). 
Clamydonta : Chilodon complanata, n. sp., AEgyria marioni , n. sp.; 
Aspidisca bipartita , n. sp., Euplotes gabrieli, n. sp. (Gourret, P.,& Roeser, 
P.). 
Histrio acuminatus, n. sp. (Maskell, W. M.). 
Oxytricha tricornis , n. sp. (Milne, W.). 
Platytrichotus , n. g., connecting Holosticha and Urolcptus ; P. opistho- 
bolus , n. sp. Eschaneustyla , n. g., like Urostyla ; E. brachytona, n. sp. 
Uroleptus dispar and U. caudatus , n. spp. Holosticha caudata, hymeno- 
phora , and similis , n. spp. Urostyla caudata , u. sp. Ilcmicyclostyla , 
lr. g., with twenty or more frontal styles, no anal styles, multiplo nucleus ; 
II. sphagni , n. sp., and II. trichota , n. sp. (Stokes, A. C.) 
XI.— ACINETARIA. 
Acineta neapolitana , n. sp. (Daday, E. v.). 
Acinetidce: A. contorta, n. sp., A. parroceli, n. sp. (Gourret, P., & 
Roeser, P.). 
Sphcerophryidce : Sphccrophrya massiliensis, n. sp. (Gourret, P., & 
Roeser, P.). 
Acineta elegans, n. sp., A. simplex , n. sp. (Maskell, W. M.). 
Tentaculifera : Stylostoma forrestii , n. g. & sp., marine, attached to 
Cyclops ; capitate tentacles in groups at ends of three arms (Milne, W.). 
Dendrocometes paradoxus, structure and life-history (Plate, L.). 
Classification of A cinetidce (Plate, L.) : I. Fasciculifera ( Ophryodendron 
and Bcndrocometcs) ; n. Radiformia ( Sphcerophrya , Podophrya, Acineta , 
Dendrosoma, and Urnula. 
Acinetactis mirabilis, n. g. & sp., 2 flagella and capitate pseudopodia. 
New family Acmetactidce. Acineta lacustris , n. sp. {A nacha ris), and A. 
stagnalis, n. sp. ( Myriophyllum ). Trichophrya sinuosa , n. sp. (Stokes, 
A. C.) 
