in der Naturgeschichte der Protozoen im Jahre 1888. 269 



N. apocamptvs St. 1884, N. sinuatus St. 85, N. orhindaris St. 84, gen. 

 Clostenevia St. 86. (Anim. naked, free-swimm., fusiform or elongate, 

 persistant in shape; flagella 2, diverse in length, originating near 

 together at the anterior border, the longer extended in advance, 

 the shorter usually held beneath the lower siirface, both vibratile; 

 pharyngeal passage present, apparently commimicating Avith the con- 

 tractile vesicle.) m. Cl. socialis St, 86.; Fam. Spongomonadidae 

 Stein: Spongomonas intestinalis (Cienk.) Stein, Sp. disciis Stein, Sp. 

 sacculus S. K. , Rhipidodendron splenidum Stein, Rh. hiixleyi S. K.; 

 Fam. Chrysomonadidae Bütschl.: Chrysopyxis urceolata St. 86, 

 Ch. triangvlaris St. 86, Ch. macrotrachela St. h(S^ Ch, ampidlacea St. 

 86, Ch. dispur St. 86 gen. Derepyxis St. 85 (Single, inhabiting a 

 pedicellate, fiask-shaped lorica, to which it is in no wa}' attached; 

 zoöid subspherical, enclosing 2 laterally disposed color-bands: flagella 

 2, subequal, rising from the centre of the frontal margin; contract. 

 vesicles 2; pharynx presumably represented by a small colorless 

 Space at the base of the flagella) m. D. amphora St. 85, D. olhdu St. 

 85, Synura uvella Ehr., Uvella virescens Ehr., gen. Cyclonexis St. 

 86 (Animals laterally joined to form free-swimming annular colonies, 

 the zoöids illoricate; flagella 2, 1 long, the other short, both vibra- 

 tile; endoplasm enclosing 2 laterally disposed color-bands; eye-like 

 pigment specks absent.) m. 0. cmnidaHs St. 86, Fam. Tetramitidae 

 Bütschl.: Tetramitus variabdifi St. 86, Tetraselmis Umnetis St. 87, 

 gQn. ExechJyga St. 84 (Anim. free-swimm. , soft, flexible, ovate; 3 

 long, subequal vibratile flagella produced from the anterior extremity; 

 an undulating membrane developed along one lateral border, and 

 terminating posteriorly in a long flagellum; a motionless rod-like 

 body traversing the zoöid longitudinally and projecting beyond the 

 posterior extremity; oral aperture none; contract. vesicle absent 

 Endoparasite.) m. E. ucuminata St. 84; Fam. Polymastigidae 

 Bütschl.: Hexamita gyrans St. 87, H. spiralis St. 87; Fam. Chilo- 

 monadidae Bütschl,: Chilomonas paramaecium Ehr., Ch. ovata St. 

 85, Cryptomonas ovata Ehr., gen. Trentonia St. 86 (Anim. free- 

 swimm., soft and somewhat changeable in shape, biflagellate, 

 1 flagellum trailing, 1 vibratile; frontal border slightly bilabiate; 

 trichocysts not observed; otherwise as in Raphidomonas, Stein.) m. 

 T. flagellafa St. 86; Fam. Codonosigidae S. K. : Monosiga rohusta 

 St. 8.3, M. consociata S. K., M. globosa S. K., M. woodlae St. 83, 

 M. obovafa St. 85, M. longipes St. 83, M. limnohia St. 86, Codosiga 

 botrytis (Ehr.) S. K., C. vtricuhts St. 85, C. longipes St. 83, C. florea 

 St. 84, C. candelabrum S. K., C. dichotoma St. 83, C. umbellata 

 (Tatem) S. K. , C. kentii (Stokes) S. K. , Codosiga magm'ficu St. 85, 

 Desmarella irregidaris Ht SQ) Fam. Salpingoecidae S. K. : Salpin- 

 goeca amphoridium J. Clk., S. steinii S. K., S. minuta S. K., S gra- 

 cilis J. Clk., S. urceolata S. K. , S. aamdnata St. 83, S. lagineUa St. 

 85, S. eurystoma St. 85, S. sphaericolo. St. 85, Fam. Phalansteriidae 

 S. K.: Phalansterium consociatum (Fres.) Cienk., Ph. digitatum Stein, 

 Proterospongia pedicellata Oxley; Fam. Peridinidae Bergh. : Pro- 



