SPONGOZOA. 
481 
0. Asciilmis, II. : spiculis 4-cruribus et simplicibus. A. armata, II. (2), 
Norway. 
7. Ascandra, II. : spiculis 3-4-criiribiis et simplicibus. A. cordatUy II. (2), 
Cape, II. (7), Adriatic, dctisa, H. (3), S. Australia, H., Florida, 
reticidum, Schm. (7), Adriatic, contoria, Bow. (3), British Channel, compli- 
Cdta, Mont. (3), N. A tlantic, lieherhueliniy 8chni. (3), Mediterranean, echi- 
noides, II. (3), Gibraltar, aertuluria, II, , Java, hotrys, II, , Great Britain, 
7iitida, II. (4), Cape, II., Normand}’^, variabilts, II. (11), East Atlantic. 
II. Leucones. Body-wall thick, perforated irregularly by branching, 
often anastomosing, channels. 
1. Leucetta, H. : spiculis 3-cruribus. L. primiyenia, IT. (7), cosmopolitan, 
triyona, II., Cape, sayittataj II., California, pandora^ II., S. Australia, cor- 
iicata, II., Cuba. 
2. Leucilla, II. : spiculis 4-cruribiis. L. amphora, Schm., Antilles, capsida, 
II., Cape. 
3. Leucyssa, II. : spiculis simplicibus. L. sponyilla, II., Japan, II., 
Kamtschatka, incrustam, II. (4), Norway, Devonshire. 
4. Lcucallis, II. : spiculis 3- vel 4-cruribtis. L. Jloridana, II. (3), Florida, 
Crustacea, II., Caraccas, Bow. (3), Guernsey, Mogador, Cape, Bass’s 
Strait, solida, Schm. (7), Mediterranean, haihyhia, II., lied Sea, clathria, 
II., Florida. 
6. Leucortis, II. ; spiculis 3-cruribus et simplicibus. L. pulvinar, II. (7), 
lied Sea, Indian Ocean. 
G. Leucxdmxs, H. : spiculis 3-cruribus et simplicibus. L. echinus, II., 
N orway . 
7. Leucandra, H. : spiculis 3-4-cniribus et siinplicibu.s. L. cyedii, Schm. 
(2), Greenland, caminus, II. (4), Atlantic, yossti, Bow. (8), Great Britain, 
Normandy, cramhcssa, 11. (4), Mediterranean, alcicornis, Gr. (G), Cape, Indian 
Ocean, S. Australia, Pacific, hmulata, II., Cape, Schm. (9), Medi- 
terranean, Johnst., Great Britain, fomwflrs, Mont. (2), North Atlantic, 
cataphracta, II., Australia, cucumis, II., Indian Ocean, Australia, bomba, II., 
Fiji Isles, nivea. Grant (4), Atlantic, Europe, II. (6), Great Britain, 
ochotensis, Mikl., Okotsk, stilifera, Schm., Greenland, saccharata, II. (4), 
Bass’s Straits. 
III. Sycones. Body-wall thick, composed of straight unbranched radial 
tubes. 
1. Sycetta, II. t spiculis 3-cruribus. »S'. jumiV/au, 11., Bass’s Strait, m//^- 
tifcra, II,, Ceylon, strobilus, II., Honolulu, cupula, II., Japan, stauridia, II., 
lied Sea. 
2. Sycilla, II. : spiculis .4-cruribus, S. cyathiscus, H., S. Australia, urna, 
II., Caraccas, cyltndrus, II., chrysalis, Schm., Adriatic. 
3. Sycyssa, II. : spiculis simplicibus. A. hu.vlcyi, II., Adriatic. 
4. Sycaltis, II, : spiculis 3- et 4-cruribus. S. conifera, II., Adriatic, per^^ 
forata, II; (2), Florida, ylacialis, II., Arctic, testipax'a, II. (2), Cuba, ovipara, 
II., Florida. 
6. Sycortis, H. : spiculis 3-cruribus et simplicibus. S. linyua, II., New- 
foundland, quadranyidata, Schm. (4), Mediterranean, European Atlantic, 
Iccviyata, II., S. Australia. 
. G. Sycubnis, II. : spiculis I-cruribus et simplicilus. S. synapta, II., Bahia. 
7. Sycandra, II.: spiculis 3-4-cruribus et simplicibus. S.ciliata,¥vh. (9), 
