SYSTEMATIC. 
Petrosia variabilis R., from Antarctic, described ; Topsent (60) p. 6 and 
pp. 11 & 12, pi. ii, fig. 9 : Topsent (56) p. 1. 
Reniera altera , n. sp., from Antarctic ; Topsent (56) p. 2 : full descrip¬ 
tion ; Topsent (60) p. 13, pi. iii, fig. 12. R. cinerea (Grant), var. 
porosa , n. var., from Straits of Magellan ; Topsent (60) p. 12, pi. ii, 
fig. 2, pi. iii, fig. 2. R. corticata , n. sp., which “would fall naturally 
into the genus Pellina Schmidt,” from Tuggerah Beach, N. S. Wales ; 
Whitelegge (64) p. 68, pi. x, fig. 2. R. dancoi , n. sp., from Antarctic ; 
Topsent (56) pp. 1 & 2 : full description ; Topsent (60) pp. 12 & 13, 
pi. ii, fig. 1, pi. iii, fig. 3. R. dendyi , n. sp., from Lake Illawarra and 
Tuggerah Beach, N. S. Wales ; Whitelegge (64) p. 67, pi. x, fig. 1. 
R. mollis Lambe, and R. rufescens Lambe; Whiteaves (63) p. 15. 
R. simulans (Johnst.) 0. S., redescribed, includes Isodictya dichotoma 
Bwk., I. ingalli Bwk., Halichondria condensa Bwk., and perhaps 
Chalimda renieroides 0. S.; Topsent (59) pp. 356 & 357. 
Rhaphisia rubra (Lend.), described ; Whitelegge (64) p. 77. 
Sub-family Spongillinte. 
Garterius latitenta Potts, pp. 3, 6, 12, pi. ii, figg. 18 & 19; C. stephanowi 
(Dyb.), pp. 2, 3, 5, 6, 13, pi. i, fig. 14; C. tenosperma Potts, pp. 3, 6, 13 
& 14, pi. ii, fig. 20; and C. tubisperma Potts, pp. 3, 6, 13, 14, pi. i, figg. 
16 & 17 ; description of spicules [in Bohemian]: Petr (44). 
Ephydatia anonyma Crtr., remarks on [in Bohemian], p. 3 ; E. baileyi 
Bwk., pp. 3, 6 & 7 and E. bohemica Petr., description of spicules [in 
Bohemian], pp. 2, 3, 5, 6 & 7, 24, 27; E. crateriformis Potts, remarks 
on [in Bohemian], p. 29 : Petr (44). E. jluviatilis Auct., gemmule 
and skeletal elements figured and the species diagnosed; Kukenthal 
(34) p. 41, fig. 33: notes on the spiculation; Weltner (62) pp. 191 
& 192, pi. vi, figg. 27-43, pi. vii, figg. 44-59: Fric & Vavra (23) 
pp. 40, 70, described, pp. 87-89, fig. 39: Levander (36) pp. 58 & 59. 
E. miilleri Liebk.; Frig & Vavra (23) p. 70, described, p. 89, fig. 41 : 
gemmule and skeletal elements figured and the species diagnosed ; 
Kukenthal (34) pp. 41 & 42, fig. 33: Levander (36), pp. 59 & 60: 
remarks on [in Bohemian]; Petr (44) pp. 29 & 30. E. olchonensis , 
n. sp., from Olchon Island, Lake Baikal, 10-12 meters; Korotneff 
(33) p. 307. E. plumosa Crtr., description of spicules [in Bohemian]; 
Petr (44) pp. 3, 5, 19, 22, 26, pi. ii, figg. 29 & 30. 
Heteromeyenia argyrosperma Potts, remarks on, p. 9 ; H. everetti (Mills), 
pp. 3, 5, 16, 24, 26, pi. ii, figg. 24 & 25; H. insignis Welt., pp. 3, 6, 9; 
H. longistylis Mills, pp. 3, 6, 9; H. novce-terrce (Potts), pp. 3, 5, 16 & 
17, 22, 24-26, pi. ii, figg. 27 & 28; H. radiospiculata Mills, pp. 3, 5, 19, 
20, 22; and H. repens Potts, pp. 3, 6, 9, 27, pi. ii, fig. 15; description of 
sjiicules [in Bohemian]: Petr (44). 
Lubomirskia Dyb., remarks on [in Bohemian]; Petr (44) p. 29. L. 
bacillifera Dyb., remarks on [in Bohemian]; Petr (44) p. 4 : Korot¬ 
neff (33) p. 306. L. baicalensis Dyb., remarks on [in Bohemian] ; 
Petr (44) p. 4 : Korotneff (33) p. 306. L. fusifera Swck. ; Korot¬ 
neff (33) p. 306. L. intermedia Dyb.; Korotneff (33) p. 306: 
remarks on [in Bohemian] ; Petr (44) p. 4. L. papyracea Dyb., 
remarks on [in Bohemian]; Petr (44) p. 4. 
Pachydictyum , n. g. [non Ulrich 1882], of Spongillinae, for type P. globo- 
sum , n. sp., from the eastern shore of Lake Posso, Celebes, in shallow 
water; Weltner (62) pp. 188-196, pi. vi, figg. l-4a, 6-26. 
Parmula batesi (Bwk.), pp. 3, 6, 11, 21, 25, pi. i, figg. 10-13; P. browni 
(Bwk.), pp. 3, 6, 11 ; and P. cristata Welt., pp. 3, 6, 12; description of 
spicules [in Bohemian]: Petr (44). 
