of the British Jurassic Bryozoa. 195 



Zoacia from 4 to 7 in each series. 



Peristomes open along the summit of a low ridge. 



Zooecia slender and cylindrical in adult, short, thick, and 

 angular in young stages. Walls punctate. 



Distribution. — England: Great Oolite and Bradford Clay* 

 Foreign : Bathonian, France. 



Family Entalophoridse. 



Diagnosis. — Cyclostomata Tubulata in which the zoarium 

 is erect and dendroid ; the branches consist of solid bundles 

 of zocecia. The zooecia are monomorphic and open on all 

 sides of the stems. 



Genus 1. Entalophora, Lamouroux, 1821. 



Diagnosis. — Entalophoridas in which the zoarium consists 

 of thin stems, each of which is composed of a small number 

 f zooecia. The peristomes are scattered irregularly. The 



cecia are cylindrical. 



Type species: E. cellarioides, Lamouroux, 1821. 



1. Entalophora cellarioides, Lamouroux, 182 J. 



Entalophora cellarioides, Lamouroux, 1821, Expos. mtSth. p. 81, pi. lxxx. 



figs. 9-11. 

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

 Entalophora subijracilis, d'Orb., var. corrugata, Walford, 1889, Bry. 



Shipton, Part I., Quart. Journ. Geol. Soc. vol. xlv. p. 573, pi. xviii. 



fig. 14. 



Diagnosis. — Zoarium csespitose, composed of thin fragile 

 branches about 1 millim. in diameter. 



Zooecia long ; the free distal portion is often very long. 



Peristomes irregularly quincuncial in arrangement. 



Distribution. — England : Inferior Oolite, Great Oolite. 

 Foreign : Bathonian, France. 



2. Entalophora magnipora, Walford, 1889. 



Entalophora magnipora, Walford, 1889, Bry. Shipton, Part I., Quart. 



Journ. Geol. Soc. vol. xlv. p. 572, pi. xix. figs. 11, 12. 

 ? Entalophora stibirregularis, d'Orbigny, 1849, Prod. Pal. t. i. p. 289. 

 Entalophora raripora, non d'Orb., Walford, 1889, op. cit. p. 572, pi. xix. 



fig. 10. 

 Entalophora raripora, Waif., var. anomala, Reuss, Walford, 1889, ibid. 



p. 573. 

 Cisternifera clausa, Walford, 1894, ibid. Part II., vol. 1. p. 82, pi. vii. 



figs. 11, 17. 

 Cisternifera inconstans, pars, Walford, 1889, ibid. Part II., vol. 1. p. 80, 



pi. vii. fig. 16. 



