of the British Jurassic Bnjozoa. 195 



Zooecia from 4 to 7 in each series. 



Peristomes open along tlie 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 zooecia. The zooecia are monomorphic and open on all 

 sides of the stems. 



Genus 1. Entalophora, Lamouroux, 1821. 



Diagnosis. — Entalophorid^e in which the zoarium consists 

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

 Qf zooecia. The peristomes are scattered irregularly. The 



cecia are cylindrical. 



Type species: E. cellarioides, Lamouroux, 1821. 



1. Entalophora cellar loideSf Lamouroux, 182 J. 



Entalophora cellarioides, Lamouroux, 1S21, Expos. m(5th. p. 81, pi. Ixxx. 



%s. 9-11. 

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

 Entalophora siihijracilis, d'Orb., var. corruyuta, Walford, 1889, Bry. 



Shipton, Part I., Quart. Journ. Geol. See. 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. 



Entalo2)hora magyiipora, Walford, 1889, Bry. Shipton, Part I., Quart. 



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

 ? Entalophora siibirrec/ularis, d'Orbigny, 1849, Prod. Pal. t. i. p. 289. 

 Entalojihora raripora, uon d'Orb., Walford, 1889, op. cit. p. 572, pi. xix. 



fig. 10. 

 Entalophora raripora, Waif., var. anomalu, 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. 



