SYSTEMATIC. 
Spong. 13 
III.— SYSTEMATIC. 
CALC ARE A. 
HOMOCCELA (8, 25, 29, 36). 
Kirk, Tr. N. Zealand Inst, xxviii, describes the following new species : 
Leucosolenia intermedia , p. 208, laxa , p. 208, rosea , p. 209. 
Leucosolenia nanseni , Breitfuss, Zool. Anz. xix, p. 427, n. sp. 
Minchin (36) gives new diagnoses of the genera Leucosolenia , Clathrina , 
and Ascandra, and places the species examined by him thus : 
Ascetta clathrus , coriacea, primordialis , cerebrum , spinosa , blanca , 
Ascandra lacunosa (= angulata ), reticulum , contorta in Clathrina ; 
Ascandra botrys , complicata ( = pinus ), UeberJciihnii and variabilis in 
Leucosolenia ; and Homandva falcata in Ascandra. 
The Recorder (29) objects to replacing the name Ilomandra by Ascandra. 
HETEROCCELA (9, 27, 56). 
Lami?e, Tr. R. Soc. Canada (ser. 2) ii, sect. 2, describes the following new 
species : 
Sycon protection, p. 204, asperum , p. 205 ; 
Grantia canadensis , p. 206. 
Breitfuss, Zool. Anz. xix, describes the following new species : 
Sycetta asconoides, p. 428 ; 
Ebnerella schulzei , p. 429, Jculcenthali , p. 430 ; 
Pericliarax polejaebi, p. 431; 
Amphoriscus se>no?ii f p. 435. 
■Schuchert & Winciiell (56) redescribe some species of fossil Calcar ca 
Heteroccela. 
SILICEA. 
TRIAXONIA. 
Hexactinellida (22, 43, 50, 5G). 
■Chaunoplectella , n. g. ; Ijima, Zool. Anz. xix, p. 250. 
Hyalascus, n. g. ; Ijima, t. c. p. 251. 
Aidosaccusy n. g. ; Ijima, t. c. p. 252. 
Dictyaidus , n. g. ; F. E. Schulze, Abh. Ak. Berlin, 1895, pp. 36 & 51. 
. Saccocalyx , n. g. ; F. E. Schulze, t. c. p. 53. 
Ijima, Zool. Anz. xix, describes the following new species : 
S emperella stomata , p. 249 ; 
Regadrclla olcinoseana , p. 250 ; 
Chaunoplectella cavernosa , p. 250 ; 
Walteria leuckarti , p. 250 ; 
Hyalascus sagamiensis, p. 251 ; 
Aulosaccus schulzeiy p. 252 ; 
Rossella longispina, p. 253. 
F. E. Schulze, Abh. Ak. Berlin, 1895, describes the following new 
species : 
Ilolascus robustus , pp. 4 & 45, tener , pp. 7 & 44 ; 
Euplectella simplex , pp. 15 & 49, aspera , pp. 26 & 47 ; 
Dictyaulus elegans } pp. 36 & 51 ; 
Saccocalyx pcdunculata, p. 53 ; 
