22 Spong. 
XVII. SPONGBE. 
[ 1905 ] 
92.— P. nigra , n. sp., Zanzibar: Baer (1) p. 15, pi. ii, fig. 1, pi. iv, 
figg. 23, 24. — P. reticulosa , n. sp., Admiralty Sound and Punta 
Arenas: Thiele (36) p. 475, figg. 12, 93. — P . spinilamella Bendy, 
described : Dendy (8) p. 149, pi. vii, fig. 4. — P. spmulosa Lend., de- 
scribed; Dragnewitsch (9) pp. 25, 26. — P. subcyhndrica , n. sp., from 
N. of Negombo, 9 fathoms: Dendy (8) p. 148, pi. x, figg. 1, 2. — P. 
tenera , n. sp., Punta Arenas, p. 476, figg. 14, 94 ; P. v alidissima y 
n. sp., Calbuco, pp. 473, 474, figg. 16, 91 : Thiele (36). 
Paramyxilla , n. g. for Halichondria infrequent Carter : Dendy (8) p. 233, 
footnote. 
Paresperella , n. g., type Esperia serratohamata Carter, p. 162; P. biden- 
tata , n. sp., Gulf of Manaar, pp. 163, 164 ; P. serratohamata (Carter), 
described, pp. 162, 163, pi. xi, fig. 2: Dendy (8). 
Pellina 0. S., defined, pp. 8, 9 ; P. semitubulosa (O. S.), described, pp. 9, 10, 
pi. ii, fig. 4, pi. iii, fig. 4 : Svarchevskii (35). 
Pellinella n. g. for P. conica , n. sp., Admiralty Sound : Thiele (36) 
pp. 471, 472, figg. 90, 103. 
Petrosia Vosmaer, defined : Dendy (8) p. 144 : Dragnewitsch (9) p. 21 : 
Svarchevskii (35) pp. 10, 11. — P. clavata (B. Criv.), described, pp. 11, 
12, pi. i, fig. 3, pi. iii, fig. 5; P. eoriacea , n. sp., Black Sea, pp. 12, 
13, pi. i, fig. 4, pi. iii, fig. 6: Svarchevskii (35). — P. densissima , 
n. sp., W. Coast of Ceylon, deep water, pp. 145, 146, pi. ix, fig. 9; 
P. similis R. & D., described, with van*, delicatula n. var. and 
halichondroidesy n. var., p. 145: Dendy (8). — P. similisy var. compacla 
R. & D., described: Dragnewitsch (9) pp. 21, 22. — P. testudinaria 
(Lam.); Dendy (8) p. 144, text-fig. 1. 
Pka/cellia Bow., dolinod, p. 190; P. ceylonensis , n. sp., Gulf of Manaar, 
p. 192, pi. viii, fig. 3, pi. xiii, fig. 5 ; P. crassitylifera , n. sp., Ceylon 
seas, pp. 192, 193, pi. xiii, fig. 6; P. donnani Bow., described, pp. 190, 
191, text-figg. 4; P. symmetrica , n. sp., Muttuvaratu Paar, 8 fathoms, 
p. 191, pi. xiii, fig. 3: Dendy (8). 
Phlceodictyince defined to include Phloeodictyoiiy Oceanapia , Histodenna y 
Sideroderma, and Amphiastrella : Dendy (8) p. 165. , 
Phlceodictyon Carter, defined, p. 165; P. Jistulosum (Bow.), described, 
pp. 165, 166: Dendy (8). 
Plicatella expansa , n. sp., Iquique, 30 m. : Thiele (36) pp. 427, 428, 
figg. 21, 48, a-c. 
Plocamia 0. S., defined, p. 179; P. manaarensis (Carter), p. 179, pi. viii, 
fig. 1 : Dendy (8). 
PseudaxineUa egregia (Ridl.), described: Thiele (36) pp. 426, 427, fig. 47, 
a-c. 
Raspailia Nardo, defined, and placed under Ectyoniiue : Dendy (8) p. 172 : 
• history, extent and diagnosis of the genus, which is referred to the 
Ectyonince, with key to the 21 species recognised, pp. 15, 21 : diagnosis, 
synonymy and occurrence of tho spocios, pp. 21-36: Pick (28): 
dofinod: SvauchevskR (35) pp. 32, 33.— It. alces , n. sp., Trieste, 
p. 11, pi. i, fig. 5, pi. ii, fig. 1, pi. iii, figg. 11, 12, pi. iv, figg. 14-16; 
R.freyeri O. S., described, pp. 14, 15, pi. i, fig. 6, pi. ii, fig. 4, pi. iii, 
figg. 6-8, pi. iv, figg. 7-9: Pick (28). — R. fruticosa Dendy, var. 
tenuira?nosa } n. var. : Dendy (8) p. 172, pi. viii, fig. 5. — R. hispida 
(Mont.), described: Pick (28) pp. 12, 13. — R. hornelli y n. sp., Gulf 
of Manaar: Dendy (8) pp. 172-174, pi. xi, fig. 7. — R. incrustans, 
n. sp., Black Sea: Svarchevskii (35) pp. 33, 34, & 52, pi. v, 
fig. 6, pi. vii, fig. 1. — R. ramosa (Mont.), described, pp. 13, 14; 
R. simplicior , n. sp., Lesiua, Adriatic, p. 10, pi. i, fig. 3, pi. iii, figg. 
4, 5, pi. iv, figg. 4-6: Pick (8). — R. thurstoni : Dendy (8) p. 172. — 
R. uncinata , n. sp., Gulf of Muggia, Trieste, pp. 6, 7, pi. i, fig. 4, pi. iii, 
figg. 9, 10, pi. iv, figg. 10-13; R. viminalis O. S. described, pp. 7-9, 
