22 Spong. 
XVII. SPONGLE. 
(i) LYSSAGINA. 
Family EUPLECTELLIDA. 
Corbitella Gray, diagnosed, p. 31; C. speciosa Q. & G., diagnosed, p. 31, 
described, pp. 2-10, figg. 1 & 2; C. elegans , for Eudictyon elegans 
Marshall, diagnosed, jd. 31, described, pp. 11-16, figg. 13-15; C. 
pulchra , for Tcegeria pulchra F. E. S., diagnosed, pp. 31 & 32, de¬ 
scribed, pp. 16-18: Ijima (21). 
Corbitellince , norn. nov. for subfamily Tcegerince F. E. S., to include the 
genera Corbitella , Heterotella , Regadrella , Walteria, DictyavZus , and 
Dictyocalyx , diagnosed; Ijima (21) p. 30. 
Dictyaulus elegans F. E. S., described; Schulze (56) pp. 70-75, pi. xii: 
occurrence; Alcock (1) p. 296, fig. 97. 
Eudictyon elegans Marshall to be Corbitella elegans ; Ijima (21) p. 11. 
Euplectella , characters of the genus, p. 51; E. aspera F. E. S., described, 
pp. 59-61, pi. xi; E. regalis F. E. S., described, pp. 61—67, pi. xxii, 
figg. 1-9; E. simplex F. E. S. described, pp. 51-59, pi. x: Schulze 
(56). 
Heterotella Gray to include one species : H. corbicula (Bwk.), diagnosed, 
p. 32, described, pp. 18-29, figg. 16-23 ; Ijima (21). 
Holascus F. E. S., characters of the genus, pp. 46 & 47 ; H. robustus 
F. E. S., described, pp. 47-50, pi. ix, figg. 1-10; H. tener F. E. S., 
described, pp. 50 & 51 : Schulze (56). 
Regadrella O. S., characters of the genus, p. 67; R. decora F. E. S., 
described, pp. 67-70, pi. xxii, figg. 10-18 : Schulze (56). 
Saccocalyx, the genus removed from Asconematidce to Euplectellidce ; >S'. 
pedunculata F. E. S., described; Schulze (56) pp. 75-78, pi. xiii: 
occurrence etc.; Alcock (1) p. 295, fig. 95. 
Tcegeria F. E. S. a, synonym of Corbitella Gray; T. pulchra F. E. S.,to be 
Corbitella pulchra ; Ijima (21) p. 16. 
Walteria leuckarti Ij., description of the oscula and excurrent system; 
Ijima (23). 
Family ROSSELLIDAI. 
Bathydorus F. E. S., characters of the genus, p. 78; B. Icevis F. E. S., 
described, pp. 78-80, pi. xiv, figg. 1-10: Schulze (56). 
Crateromorpha lankesteri , n. sp., from near East London, South Africa, 
250-300 fathoms; Kirkpatrick (28) pp. 222-224, pi. i, figg. 1-11. 
Lophocalyx spinosa F. E. S., described ; Schulze (56) pp. 82-85, pi. xxiii. 
Placoplegma solutum F. E. S., described; Schulze (56) pp. 80-82, pi. xiv, 
figg. 11-17. 
Rhabdocalyptus plumodigitatus nom. nov. for R. lopliodigitatus Kirk¬ 
patrick [(32) Zool. Rec. 1901], redescribed; Kirkpatrick (28), pp. 220- 
222 . 
Family Eubrochida;. 
Eubrochidte , n. fam. of Hexasterophora ; Schrammen ^55) p. 19. 
Eubrochis , n. g. for t E. senonica , n. sp., from the Quadrata-chalk of 
Oberg; Schrammen (55) pp. 19-21, pi. i, fig. 1, text-figg. 3 & 4, and 
p. 4. 
