442 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



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Fig. 175. — Genus Cornuticella Canu and Bassler, 1927 



A-H. Cornuticella cornuta Busk, 1852. A. A branch with a bizooeeial inter- 

 node. B. The same from the basal surface. C. Lateral view of a zooecium. 

 (A-C. After Busk, 1852.) D. In the bizooeeial intcrnode the mother-zooecial, 

 small, oval, infrascapular chamber is seen on the boundary between the mother 

 and daughter zooecium, X55. E. A gonozooecium with appertaining daughter 

 zooecium, X40. F. The same from the basal surface, X40. G. Lateral view 

 of a gonozooecium. The internal ovicell and the covering kenozooccium are 

 seen, X40. (D-G. After Levinsen, 1909.) II. Zooecium showing terminology. 

 (After Harmer, 1902.) b, polypide bud; c. s., compensatrix; /, membranous 

 fenestra; /*, lateral horn; /;', vestigial horn of the proximal zooecium of the 

 biglobulus; j, chitinous joint;/, young joint; pm, distal group of parietal 

 muscles; v, vittae. 



