of the British Jurassic Brr/ozoa. 197 



2. Spiropora annulosa (Michelin), 1847. 



Cricopora annulosa, Michelin, 1847, Icon. Zooph. p. 339, pi. Ivi. fig. 3. 

 Cricopoj-a verticillata, nou Goldf., Michelin, 1846, oj9. cit. p. 236, pl. hi. 



fig. 3. 

 Laterotubigera verticillata, d'Orbignv, 1852, Pal. fran^., Terr. cret. t. v. 



p. 715. 

 Cricopora tessonis, Michelin, 1846, Icon. Zooph. p. 236, pl. Ivi. fig. 6. 

 Untalophora te-tso7ns, d'Oibiguy, 1849, Prod. Pal. t. i. p. 318. 

 Spiropora tessonis, Haime, 1854, Bry. jur., Mem. Soc. geol. France, 



ser. 2, t. V. p. 195. 

 Cricopora subLerticillata, d'Orbigny, 1849, Prod. Pal. t. i. p. 318. 

 Spiropora straminea (nun Phill.), Haime, 1854, oj). cit. ser. 2, t. v. 



p. 196, pl. ix. fig. 6. 

 Eiitalophora straminea (non Phill.), Brauns, 1879, Bry. mittl. Jura, 



Metz, Zeit. deut. geol. Ges. Bd. xxxi. p. 331. 

 Spiropora ccespitosa (non Lamx.), Haime, 1854, op. cit. p. 195 (excl. 



syn.), pl. ix. fig. 7. _ 

 Spiropora conijjressa, Haime, 1854, op. cit. p. 197, pl. ix. fig. 5. 

 Entalophora coi7ipressa, Vine, 1888, Polyz. Caen, Journ. Northampton 



Nat. Hist. Soc. vol. v. p. 10. 

 Cricopora acutimargo, Waagen, 1868, Zone Amm. Soicerbyi, Geogn. Pal. 



Beitr. Bd. i. Heft 3, p. 64l, pl. xxxiii. fig. 7. 



Diagnosis. — Zoarium forming veiy loose tufts ; branches 

 dichotomize irregularly, of medium thickness ; section of 

 branches circular, oval, or compressed. 



Zocecia regularly cylindrical, rather short. 



Peristomes raised and arranged in regular rows ; these are 

 horizontal or slightly oblique ; from 5 to 7 peristomes can be 

 seen on one side of a branch ; the distance between the rows 

 of peristomes is short. 



Distribution. — England : Inferior Oolite and Great Oolite. 

 Foreign : Bajocian, France and Germany. Bathonian : 

 France. 



3. Spirofora ccespitosa, Lamouroux, 1821. 



Spiropora ccespitosa, Lamouroux, 1821, Expos, meth. p. 86, pl. Ixxxii. 



figs. 11, 12. 

 Non Spiropora ccespitosa, Haime, Bry. jur., Mem. Soc. geol. France, 



ser. 2, t. V. p. 195, pL ix. fig. 7. 

 Cricopora ccespitosa, Blainville, 1830, Diet. Sci. nat. t. Ix. p. 386. 

 Entalophora ccespitosa, d'Orbigny, 1849, Prod. Pal. t. i. p. 318. 

 ? Spinpora capillaris, Lamouroux, 1821 , op. cit. p. 47. 

 Cricopora capillaris, Blainville, 1830, op. cit. p. 386. 

 Intricaria bajoceiisis, Defrance, 1822, Diet. Sci. nat. t. xxiii. p. 546, 



pl. xlvi. fig. 1. 

 Spiropora bajocensis, Haime, 1854, op. cit. p. 196. 

 Laterotubigera bajocensis, d'Orbigny, 1852, Pal. franf., Terr, cr^t, t v. 



p. 715. 

 Entalophora bajocensis, d'Orbigny, 1852, op. cit, t. v. p. 779. 

 Pustulopora tenuis, Waagen, Zone Amm. Soiverbyi, Geogn. Pal. Beitr. 



Bd. i. Heft 3, p. 641. 



