184 BULLETIN 106, UNITED STATES NATIONAL MUSEUM. 



SCRUPOCELLARIA ELLIPTICA Reuss, 1869. 

 Plate 32, figs. 4-7. 



I860. Si-riiiiiicil/iiriit clliptica REUSS, Die fossilen Anthnzi>eiL uud Bryozoeu tier Schichten- 



gruppe von Crosaro, Denkschriften der k. Akademie tier Wissenschaften. vol. 29, 



I Abth. p. 48. pi. 29, fig. 3. 

 1891. Scnipiii-i-lJin-iii clliptica WATKRS, North Italian Bryozoa, Quarterly Journal of the 



Geological Society of London, vol. 47, p. (-;, pi. 1. figs. 16, 17. 

 Not 1847. Bucti-irliiini cUiptii-inii REUSS. Die fossilen Polyparien des Wiener Tertiarbeckens. 



Haidinger's naturwissenschaftliche Abliandlungen. vol. 2, p. 56, p. 9. figs. 7. S. 



FIG. 49 Genus SrriiiHH-tllariii Van Beneden, 1844. 



A, B. Caniln retiformis Pourtales, 1867. Celluliferous and dorsal surfaces, X 25. 



('-(;. Urniiiiirr-llitritt [cro.r I'.usk. 1852. (.'. Dorsal surface, X 25. fr. <ir, frontal avicu- 

 larium: in: gripovc; pi; radlcular pure: si; scutum. D. I>ecalcified piece, X 25, showing the 

 articulation with the cliitiuous tube already formed on the inside zooecia of the new branch. 

 Polypides and tentacles are visible. K. Mandible, X 85. F. Base of vibracular seta, X 250. 

 G. Dorsal surface, showing the articulation, X 6. 



H. Srriipoccllaria jnlloisii Audmiin. 1826. Dorsal surface, X 6, to show the articulation 

 with two chitinous tubes. 



I. Cinidfi rctifariiiiv 1'ourtnlcs. lsr,7. I'.ir^al surface, showing simplest form of articulation, 

 >< 6. (A-I after Waters, 1913.) 



