1886. ] POSITION AND CLASSIFICATION OF SPONGES. 615 
558, Gray, J. EB. Venus's Flower-basket (Hwplectella speciosa), Ann, M,N, 
H. ser. 3, vol. xviii. pp. 487-490 (1866). 
559. ——. Venus’s Flower-basket (Huplectella). Pop. Sct. Review, vol. vi, 
pp. 239-247 (1867). 
560. ——. Further observations on Venus’s Flower-basket (Huplectella spe- 
ciosa). Ann. M. N, H. ser, 3, vol. xix. pp. 44-45 (1867). 
561. ——. Additional Notes on Euplectella speciosa. Ann. M. N. H, ser. 8, 
vol. xix. pp. 138-140 (1867). 
562. ——. Notes on Hyalonema lusitanicwm, and on the Genus in general. 
P. Z. 8. 1867, pp. 117-125 (1867). 
563. On Placospongia, a new Generic Form of Spongiade in the 
British Museum. P. Z. 8. 1867, pp. 127-129 (1867). 
564. Notes on the Arrangement of Sponges, with the Description of 
some new Genera. P. Z, S. 1867, pp. 492-558 (1867). 
565. 
Observations on Dr, Bowerbank’s Paper on Hyalonema lusitanicum. 
P, Z. 8. 1867, pp. 1001-1003 (1867). 
566, ——. On Dr. Bowerbank’s ‘Observations on Dr. Gray’s ‘ Notes on the 
Arrangement of Sponges, &e.’” P. Z. 8. 1868, pp. 582-533 (1868). 
567, ——. Note on Theonella, a new Genus of Ooralloid Sponges from 
Formosa. P. Z. 8. 1868, pp. 565-566 (1868). 
568. ——. Notes on the Ceratellide, a family of Keratose Sponges. P. Z. 8. 
1868, pp, 575-579 (1868). 
569. ——. Note on Xylospongia cookit, a new Genus of Palmated Sponges in 
the collection of the British Museum. P. Z. 8, 1868, p. 637 (1868). 
570. ——. Observations on Sponges and on their Arrangement and Nomen- 
clature. Ann, M. WN. H. ser. 4, vol. i. pp. 161-173 (1868). 
571. ——. On the peculiar Structure and Function of the Spicules of Hyalo- 
nema. Ann. M, N. H. ser. 4, vol. i. pp. 292-295 (1868), 
572. ——. Note on Hyalonema boreale, Lovén, Ann, M. N. H. ser. 4, vol. i. 
p. 484 (1868). 
573. ——. Note on a new Japanese Coral (Isis gregorii), and on Hyalonema, 
Ann, M,N. H. ser. 4, vol. ii. p. 264 (1868). 
574. ——. On a new Free Form of Hyalonema sieboldii, and its manner of 
Growth. Ann. M. N. H. ser. 4, vol. ii. pp. 264-276 (1868). 
575. . On Tetilla euplocamus and Hyalonema boreale. Ann. M. N. H. 
ser. 4, vol. ii. p. 319 (1868). 
576. Note on Hyalonema schultzei, Semper. Ann. M. N. H, ser. 4, 
vol, ii. pp. 373-378 (1868). 
577. ——. On the name Alcyoncellum. Ann. M. N. H. ser. 4, vol. ii, pp. 890- 
391 (1868). 
578. ——. Note on Janthella, a new genus of Keratose Sponges, P, Z. 9. 
1869, pp. 49-51 (1869). 
579. ——. On the Manner of Growth of Hyalonema. Ann. M, N. H. ser. 4, 
yol. iii. pp. 192-196 (1869). 
580. ——. Note on a new Genus of Sponge from West Australia (Echino- 
tient, australis=Aaos cliftoni), Ann. M. N, H. ser. 4, vol. vi. p. 272 
(1870). 
581. ——. Notes on Anchoring Sponges (Pheronema, Holtenia). Ann. M. N. 
H, ser, 4, vol. vi. pp. 8309-312 (1870). 
582, ——. Note ona new Genus of Sponge from West Australia. -dan. M. 
NV. H. ser, 4, vol. vi. p. 346 (1870). 
583. ——. Note on Spongia linteiformis and 8. lycopodium, Esper, Ann, M, 
N. H, ser. 4, vol. viii. p. 142 (1871). 
584, ——. On the Animal of the Glassrope, Ann, M. N, H. ser. 4, vol. ix, 
pp. 824-325 (1872). 
