LIST OP PUBLICATIONS. 
Spong. 3 
Bahamas; Siphonochalina spiculosa , n. sp., Turk’s I., Bahamas; S. pro- 
oumbens , Carter, West Indies, Grenada ; S. ceratosa , n. sp., Nassau, 
Bahamas; Spinosella sororia , Duch. & Mich., West Indies ; S. sororia 
n. var. dilatata, Bahamas ; S. sororia n. var. fruticosa ; S. sororia n. var. 
elongata ; S. plicifera , Duch. & Mich., Bahamas ; S. maxima , n. sp., 
Jamaica ; S. velata, n. sp., Bahamas. [ Vide infra.'] 
[Dendy, Arthur.] (2) Some Old and New Questions concerning 
Sponges. Zool. Anz. xiii (1890), No. 325, pp. 14-17. Abstr. in J. R. 
Micr. Soc. 1890, pt. 3, No. 76, p. 343. 
The questions at issue are : (1) “ Sollas’s membrane ” ; (2) the true 
name of Stelospongus flabelliformis, Carter ; (3) the relationship between 
Homorhaphidai and Ceratosa. [ Vide infra.] 
. (3) On the Pseudogastrula Stage in the Development of Calca- 
reous Sponges. P. R. Soc. Yict. Nov. 14th, 1889 (1890), pp. 93-101, 
pi. la. Abstr. in J. R. Micr. Soc. 1890, pt. 4, No. 77, p. 470. 
\Vide infra.] 
Faurot, L. La peche des Eponges dans le Golfe de Gabes. Rev. Sci. 
xlv, No. 14, pp. 428-431. 
Fgl, H. Sur l’Anatomie des Eponges Cornees du genre Hircinia et sur un 
genre nouveau. C.R. cx, No. 23, p. 1209. Transl. in Ann. N. H. (6) 
1890, p. 172, et seq. Abstr. in J. R. Micr. Soc. 1890, pt. 4, No. 77, 
p. 470. 
[ Vide infra.] 
<!s Gaudry, — . Les Enchainements du Monde Animal dans les temps 
g^ologiques fossiles secondaires. Paris : 1891. Sponges, pp. 33-37. 
Giard, Alfred. Le Laboratoire de Wimereux en 1889. (Recherches 
fauniques.) Bull. Sci. Fr. Belg. xxii, Ire partie, 1890, pp. 60-87. 
Sponges, pp. 70-72. The following species occur : — Ascetta coriacea , 
Montague ( Tarrus , Auloplegma , and Ascometra forms), Ascandra 
variabilis ) Hseckel ( Soleniscus and Olgnthus forms), Leucandra nivea , 
Grant, Leucandra balearica, Lac., n. var. Linaresi , Ohalina oculata, Bwk., 
Tethya lyncurium , J., Halichondria patiicea, J. 
Haeckel, E. Deep-sea Ceratosa of the ‘Challenger.’ J. R. Micr. Soc. 
1890, pt. 3, No. 76, p. 343. Abstr. ‘ Challenger ’ Report (Zoology) xxi, 
pt. lxxxii, 1889, 92 pp. & 8 pis. 
Hanitsch, Richard Third Report on the Porifera of the L. M. B. C. 
District. P. Liverp. Biol. Soc. iv, 1890, pp. 192-238, pis. x-xv. 
A list of all the Sponges found up to date in the district, showing 
the distribution of the species among the four parts in which they have 
been most carefully studied, viz., estuaries of Mersey and Dee, Isle of 
Man, North Wales, and Puffin Island. Total number of species, 56. 
Three new species are described; Seiriola compacta is redescribed ; and the 
spiculation and skeleton of a number of other species are also described. 
[ Vide infra.] 
