SYSTEMATIC. 
Spang. 25 
t Becksia augustce , n. sp., from the Quadrata-chalk of Misburg; Schrammen 
(55) p. 18, pi. ii, fig. 2. t B. soeckelandi Schliit; Schrammen (55) p. 5 : 
WOLLEMANN (74) p. 58. 
t Camerospongia campanulata Smith; Elbert (13) p. 155. \G. fungiformis 
Roem. ; Elbert (13) p. 150: Schrammen (55) pp. 4 & 5. +<7. sub¬ 
rotunda Mant.; Elbert (13) p. 155. 
t Cystispongia subglobosa Roem.; Elbert (13) p. 155. 
Margaritella cceloptychioides 0. S., described; Wilson (71) pp. 382 & 383. 
\Plocoscyphia acinosa , n. sp., from the Quadrata-chalk of Oberg; Schram¬ 
men (55) p. 17, pi. iv, fig. 2, and p. 4. +P. convoluta Smith, p. 156; 
t P.Jlexuosa Mant., p. 156; t P. labyrinthica Rss., p. 102 : Elbert (13). 
t P. aff pertusa Gein., Senonian of East Prussia, described; Ungern- 
Sternberg (63) pp. 147-149, pi. v. tP. sp. ; Schrammen (55) p. 6. 
t Tremabolites megastoma (Roem.); Schrammen (55) p. 4. 
Family Staurodermihe. 
t Casearia aff. articidata ; Remes (51) p. 107. tO. articidata (Qu.); 
Schmierer (53) pp. 573 & 576. 
t Placotrema eretaceum Hinde; Elbert (13) p. 155. 
f Porocypellia, sp.; Schlosser (52) p. 553. 
t Porospongia impressa (Mnst.); Schmierer (53) pp. 574 & 576. 
Family Callodictyonihe. 
iCallodictyon infundibulum Z.; Schrammen (55) pp. 4 & 5. 
t MarshalluL alternans (Roem.), described, is the type of a distinct genus, 
yet to be named, pp. 18 & 19, pi. ii, fig. 4; +J/. tortuosa (Roem.): 
Schrammen (55) p. 5. 
f Pleurope lacunosa (Roem.); Schrammen (55) pp. 4 & 5. 
Family Cceloptychid/E. 
\Coeloptychium agaricoides Gf. ; Schrammen (55) pp. 5 & 6: Wollemann 
(74) p. 58. \C. deciminum Roem., pp. 4-6; tO. incisum Roem., p. 6; 
tO. lobatum , Gf., pp. 5 & 6: Schrammen (55). +0. lobatum Goldf. ; 
Wollemann (74) p. 58.’ W. rude v. Sub. ; Schrammen (55) p. 6. 
\C. sp. ; Wollemann (74) p. 58. t G. sulciferum Roem. ; Schrammen 
(55) pp. 4 & 6. 
Family V ENTRICULITIDdE. 
Ventriculitidce T. Smith, notes on the family; Ungern-Sternberg (63) 
pp. 137 & 138. 
t Cephalites elliptieus Roem., see Polyblastidium racemosum (T. Sm.). 
Eudictyon , n. g. \_non Marshall 1875] for t E. striatum , n. sp., from the 
Quadrata-chalk of Misburg and Oberg, p. 15, pi. ii, fig. 5, text-fig. 2, 
and pp. 4 & 5 : t E. diagonale, n. sp., from the same locality, p. 16, 
pi. i, fig. 5, and p. 4 ; Schrammen (55). 
Leiostracosia, n. g. for t L. punctata , n. sp., from the Quadrata-chalk of 
Misburg; Schrammen (55) p. 12, pi. iii, fig. 3. 
t Lepidospongia brandesi, n. sp.,from Quadrata-chalk of Hanover; Schram¬ 
men (55) p. 11, pi. iii, figg. 1 & 2, and pp. 4 & 5. 
Microblastidium , n. g. for t M. decurrens , n. sp., from the Quadrata-chalk 
of Oberg and Misburg; Schrammen (55) J3. 15, pi. iv, fig. 5, and pp. 4 
& 5. 
