SPONGLE. 
26 Spong. 
j - Plocoscyphia labyrintluca , Rss., and f P. fenestrata, Smith, Cretaceous, 
N. Bohemia; Jahn, p. 482. P.pertusa , Gein., p t P. labyrinthica , Mant., 
and tP. sp., pp. 224 & 225, t P. cavernosa, Hcem., ? P. reticulata , Hinde, 
p. 223, taf. vi, figs. 3a, 5, from Paderborn ; Pocta. 
fP. arborescens, p. 224, taf. viii, fig. 3, prostrata , pp. 223 & 224, Pader- 
born, Pocta; P. (?) perantiqua, Cambrian, Canada, Matthews, (1) p. 148, 
pi. vii, figs. 5a, b : n. spp. 
•\ ProtospQngia coronata , p. 41, figs. 8-10, pi. iii, fig. 4, cyathiformis , 
p. 43, figs. 13 & 14, pi. iii, fig. 5, delicatula, p. 43, fig. 15, mononema , pp. 40 
& 41, figs. 5-7, & pi. iii, fig. 3, polynema, p. 42, figs. 11 & 12, pi. iii, fig. 5, 
tetranema, pp. 37-39, figs. 1-4, & pi. iii, figs. 1 & 2, Siluro-Cambrian, Metis, 
Hinde ; in Dawson : n. spp. 
tP. sp. ? from Lower Cambrian ; Walcott, p. 597, pi. xlix, fig. 2. 
Receptaculites , De France : diagnosis and remarks on, pp. 60-G2, fig. 4, 
circularise Emmons, Lorraine Shales, N. Y., p. 63, diclchauti , Ulrich, 
p. 63, reticulatus , Ulrich, p. 62, Cincinnati Group, Kentucky ; James. 
f Rhizopoterion cervicorne , Goldf., Cretaceous, N. Bohemia ; Jaiin, 
p. 482. 
^ f Stephanella sancta, n. g. & sp., Hinde, (1) pp. 22-24, 1 woodcut, from 
Ordovician, Ottawa, Canada. 
f Ventriculites angustatus, Roem., and f F. radiatus , Mant., Cretaceous, 
K. Bohemia ; Jahn, p. 482. V. cervicornis , Goldf., pp. 7, 11, 13, 15, & 
175, pedester , Eichw., pp. 11, 104, & 175, plicatopunctatus , Sinz., p. 11, 
subradiatus , Sinz., p. 11, radiatus, Mant., pp. 7, 11, 13, & 175, from 
Cretaceous, Russia; Piatnitzky. ?fF. radiatus , ?*f*F. infundibuli - 
formis , Woodw., +F. angustatus , Roem., sp., ? +F. multicostatus , Rcem., 
pp. 220 & 221, tF. sp., p. 222, taf. vii, figs. 3 a-e, +F. sp., p. 222, taf. viii, 
fig, 4, from Paderborn ; Pocta. 
|F. 8pissorugatu8 y n. sp., from Paderborn, Pocta, pp. 221 & 222, 
taf. viii, fig. 5. 
3. TETRACTINELLIDA (with Chondrosid^:, Plakinid^e, Halisarca, 
and Oscarella). 
Astylospongia, Roem., diagnosis ; James, p. 53. 
Chondrilla, 0. S. : definition of genus, C. mixta , F. E. S., Red Sea, 
nucula , O. S., p. 327, Bay of Assab, descriptions ; Keller (1). 
C. globulifera , n. sp., Keller, (1) pp. 327 & 328, taf. xviii, figs. 34 & 35, 
Coral Bays, N. of Suakin, 2-5 faths. 
Chondrosia plebeia , 0. S., from Canaries; Topsent (1) p. 13. C. 
reniformis , Ndo., from Oceanic Coasts of France; id. (2) p. 128. 
Chondrosidce : definition of family ; Keller, (1) p. 326. 
\Chonella sp., Paderborn ; Pocta, p. 227. 
Cinachyra , Sollas : definition of genus ; Keller, (1) p. 336. 
C. eurystoma , Red Sea, pp. 338 & 339, taf. xix, figs. 46-48, schulzei , 
Aden, p. 337, taf. xix, figs. 41-43, trochi/ormis, Red Sea, p. 340, taf. xix, 
figs. 44 & 45, Keller, n. spp. 
