Cribrimorph” Cretaceous Polyzoa. 395 
Il]. Lacynopora, gen. nov. 
Genotype. L. lagena. 
Tabular Diagnoses of the Species. 
A. Intercostal fusions absent or not obvious. 
I, CGicia smaller (less than } to } mm. in length) ; 
costz not so closely juxtaposed ; avicularia, 
if present, smaller. 
me Wore'coste (about 18) ..........c08. 20% 1. L. birlingensis. 
b. Bewer costes (about 14). 52.065 0005.000-0s 2. L. saltdeanensis. 
II, Cicia larger (3 mm. or more in length) ; costez 
closely juxtaposed; avicularia, if present, 
larger (except in LZ. amphora). 
a. Intraterminal front wall more arched, cost 
15-20; length about 3 mm. 
1. Intercostal furrows less obvious ........ 3. L. furcifera. 
2. Intercostal furrows more obvious. 
geaebiciniclose 60Seher 22... sacs ess 4. L. lagena. 
GEROMIGCUG CIREANE o7ct.-5 faeces dctlce. se sk nas 5. L. pediculus. 
b, Intraterminal front wall flatter; length more 
than 2 mm. 
1, Median area of fusion less wide; intra- 
terminal front wall less flat; coste 
1103 [SARS ec orn OR ont oa 6. L.amphora, 
2. Median area of fusion wider ; intraterminal 
front wall flatter. 
MACOS TADOU LSE Os p< eins aauc oie «soho lelecsts 7. L. urceolus. 
[oe (GU ee" 1131 13 eer eee eee 8. L. ampulla. 
B. Intercostal fusions rather obvious ............ 9. L. horsleyensis. 
1. L. birlingensis, sp. n. 
Type-specimen. British Museum, D. 28254 ; coranguinum- 
zone; W. of Beachy Head, Sussex. 
2. L..saltdeanensis, sp. n. 
Type-specimen. British Museum, D. 28896; quadratus- 
zone, depressa-subzone ; E. of Brighton, Sussex. 
3. L. [Cribrilina| furcifera (Brydone), 1910, Geol. Mag. 
dec. v. vol. vil. p. 391, pl. xxx. figs. 6-8; Senonian ; 
Suffolk. 
4. LL. lagena, sp. n. 
Type-specimen. British Museum, D. 4042 ; Lower Seno- 
nian ; Chatham, Kent. 
5. L. {| Lepralia] pediculus (Reuss), 1874, Palaeontographica, 
vol. xx. part ii. p. 129, pl. xxiv. fig. 16; Upper Turo- 
nian ; Strehlen, Germany. 
