8 Spong. xvii, spongle. [1905] 
(d) Skeletal Anatomy. — Variation in skeletal framework of 
sponges ; Wilson (46) p. 39. 
Arrangement of spicules in Leucosolenia ; Urban (39) pp. 43 & 44, 
(v) Histology . 
Histology of Leucosolenia eleanor ; Urban (39) pp. 46-55. 
Structure of the scleroblasts of Sycons ; Woodland (47) pp. 250 & 251. 
Histology of Raspailia ; Pick (28) p. 40. 
Spherical cells similar to “cellules spheruleuses ” in Hexadella indica, 
p. 62, pi. i, figg. 1-3 : histology of cortex of Pilochrota hornelli, p. 76 : 
pigment-cells, etc, in Ecionema laviniensis , p. 82 : fibre-cells and spherical 
cells, perhaps symbiotic algse, in Coppatias replans , p. 108 and Asteropus 
haeckeli , p, 109 : cortex and scleroblasts in Xenospongia patelliformis , 
p. 118: pigment-cells in Reniera pigmentifera , p. 143: cells, probably 
pigment-cells in Acanthella Jlabelliformis , p. 193 : bands of fibrous cells 
in Euspongia officinalis, var. ceylonensis , p. 212, in Hircinia schulzei , p. 222 
and H, anomala , p. 223 ; Dendy (8). 
C. Physiology. 
Vacant. 
D. Bionomics. 
Symbiotic algoo ? in Coppatias rep tans, p. 108 and Asteropus haeckeli , 
p. 109 ; Dendy (8). 
E. Reproduction and Development. 
Ova of Raspailia ; Pick (28) pp. 44 & 45. 
Ova with pseudopodia in Tetilla limicola ; Dendy (8) p. 94. 
Ova and embryos in Desmacidon platei , p. 437 : in Aplysilla lendenfeldi , 
p. 489 ; Thiele (36). 
Embryos in Megalopastas elegans ; Dendy (8) p. 205. 
Embryos in Esperiopsis villosa, pp. 12 & 13 : in Asbestopluma pennatula, 
p. 50, A. furcata , p. 57, A. cupressiformis , p. 61, A. lycopodium , p. 65, and 
A. infundibulum , p. 71 (comparison of spiculation of embryos of Asbesto- 
pluma spp. p. 74) : in Cladorhiza abyssicola, p. 82, C. gelida , p. 86, and 
text-fig. 2, C. tenuisigma , p. 90, C. iniquidentata , p. 92, text-fig. 4, C. 
corticocancellata, p. 96, text-fig. 5, and C. oxeata , p. 100, text-fig. 6 : in 
Chondrocladia gigantea , p. 106 : in Homoeodictya Jlabelliformis , p. 120 : 
in Myxilla incrustans , p. 137, M. fimbriata, p. 143, M. brunnea , p. 146, M. 
pedunculata , p. 149, and M. diversiancorata , p 151 : in Lissodendoryx 
stipitata , p. 172 : in Iophon piceus , p. 179 : in Forcepia fabricans , p. 203, 
and F. thielei, p, 208 ; Lundbeck (17). 
F. Miscellanea. 
Bibliography. — Titles of 19 memoirs on sponges with abstracts ; 
Maas (20). — Titles of 52 memoirs on sponges, with abstracts; Weltner 
( 43). — Special Bibliography of the Ceylon Sponge-Fauna; Dendy (8) p. 59. 
Bibliography of the genus Raspailia ; Pick (28) pp. 2-6. 
Technique. — Methods for studying calcareous sponges ; Urban (39) 
pp. 33-36. — Methods used for the investigation of Raspailia ; Pick (28) 
pp, 36 & 37. 
