26 Spong. 
XVII. spongiae. 
Family Spirastrellid^e. 
Hastatus mammillans Frist., vide Hymedesmia. 
Hymedesmia crux for Desmaddon crux 0. S., redescribed, pp. 392 & 393, 
pi. xxi, fig. 26 ; H. filifera for Desmacidon jiliferum 0. S., redescribed, 
p. 391, pi. xxi, fig. 25: Thiele (51). H. hallezi Tops., described; 
Rousseau (43) p. 17, fig. 9. II. mammillans for Hastatus mammillaris 
Frist., redescribed; Thiele (51) p. 390, pi. xxi, fig. 22. II. norvegica 
n. sp. ; Thiele (51) p. 390, pi. xxi, fig. 23. II. prostrata n. sp. ; 
Thiele (50) p. 955, pi. xxviii, fig. 20. H. stellata Bwk. ; Rousseau 
(43) p. 17. H. vidua for Spirastrella vidua 0. S., redescribed; Thiele 
(51) p. 393, pi. xxi, figg. 27. 
Kalastrella n. g. of Spirastrellidce allied to Spirastrella , for K. vasiformis 
n. sp., from mouth of Tugela River, 65 fathoms, and K . vasiformis 
var. minor n. var., from Cone Point, Natal, 34 fathoms; Kirkpatrick 
(26), pp. 238 & 239, pi. v, figg. 3 & 4, pi. vi, figg. 3a-/ & 4 a-c. 
Latrunculia natalensis n. sp., from Cone Point, Natal, 34 fathoms; 
Kirkpatrick (26) pp! 237 & 238, pi. v, fig. 2, pi. vi, figg. 2 a-e. L. 
triloba fpr Sceptrella triloba 0. S., redescribed; Thiele (51) pp. 377 & 
378, pi. xxi, fig. 3. 
Sceptrella triloba 0. S., vide Latrunculia. 
Family Polymastid^e. 
Spirastrella vidua 0. S., vide Hymedesmia. 
Polymastia mammillaris (0. F. M.), synonymy and description ; Rousseau 
(43) pp. 22 & 23, fig. 14. P. mespilus 0. S., redescribed; Thiele (51) 
p. 376, pi. xxi, fig. 1. P. robusta Bwk. ; Rousseau (43) p. 23. P. 
uberrima for Itinalda ubemima 0. S., redescribed; Thiele (51) 
pp. 376 & 377, pi. xxi, fig. 2. 
Proteleia Dendy & Ridley, genus defined, placed in family Tethyo- 
psillidcej with diagnoses of two spp. ; Lendenfeld (27) pp. 29 & 30. 
Rinalda ubernma 0. S., vide Polymastia. 
Family Suberitidje. 
Ficidina ficus (L.), synonymy and description ; Rousseau (43) pp. 18-20, 
fig. 10. F. spermatozoon for Cometella spermatozoon 0. S., redescribed ; 
Thiele (51) p. 378, pi. xxi, fig. 4. 
Prosuberites epiphytum (Lam.), described; Rousseau (43) p. 18, fig. 10. 
Suberites caminatus ; Richard (42) p. 69. S. diance 0. S., vide Micro - 
dona. S. domuncida Ndo., physiology; Cotte (9), see ii, c, iv. S. 
panis Selenka is a Tedania ; Thiele (50) p. 946. 
Terpios fugax Duch. et Mich., described; Rousseau (43) p. 20, fig. 11. 
Family Mesapid^e. 
Mesapos stellifera (Bwk.); Rousseau (43) p. 21. 
Tethyspira spinosa (Bwk.), described; Rousseau (43) p. 21, fig. 13. 
Family Placospongida]:. 
Placospongia labyrinthica n. sp. from East London Coast, Natal, 
85 fathoms; Kirkpatrick (26) pp. 236 & 237, pi. v, figg. 1, la & 16, 
pi. vi, figg. la-/. 
