LAGENIDAE i6i 



Fornasini regards his species as intermediate between L. laevigata (= L. biancae) and 

 L. orbignyana. He points out that it is distinguishable from L. bicarinata by its flat 

 edge, L. bicarinata having a deep groove betw^een tw^o carinae. 



389. Lagena semilineata, J. Wright (Plate VII, figs. 19, 20). 

 Lagcna semilineata, J. Wright, 1885 (1886), BLP, p. 320, pi. xxvi, fig. 7. 



Lagena semilineata, Heron-Allen and Earland, 191 6, FWS, p. 246, pi. xli, figs. 21, 22. 



Three stations: 170, 383, 385. 



Single specimens at Sts. 170 and 383, several at St. 385. They are all much more 

 globular in form and more deeply grooved than Wright's type figure. The best specimen 

 at St. 170, the others show^ a tendency to develop short spines over the base. 



390. Lagena semilineata var. spinigera, var.n. (Plate VII, fig. 21). 

 Lagena semilineata , Sidebottom, 1912, etc., LSP, 1913, p. 173, pi. xv, fig. 27. 



One station: 385. 



Two specimens from this station are characterized by the abnormal development of a 

 basal spine, which in one instance almost equals the length of the remainder of the test, 

 including the long neck. The basal spines are solid. In other respects the specimens 

 conform to Wright's type figure, except that the sculptured grooves on the basal half of 

 the shell are fewer in number and more deeply cut. Sidebottom figures a somewhat 

 similar specimen which he describes as " a bold form of L. semilineata ". It is probable 

 that the specimen figured by Brady (B. 1884, FC, pi. Iviii, fig. 17) as " ? Apiculate form 

 of Lagena sulcata, Walker and Jacob " belongs to the same variety as ours, although the 

 basal spines (two) are comparatively short. The markings in the plate are more sug- 

 gestive of the grooves of L. semilineata than the costae of L. sulcata. 



All the specimens referred to are from deep water. 



391. Lagena seminuda, Brady (Plate VII, fig. 22). 



Lagena seminuda, Brady, 1884, FC, p. 472, pi. Iviii, fig. 34. 

 Lagefia seminuda, Heron-Allen and Earland, 1922, TN, p. 153. 



Three stations: 383, 386; WS 403. 



A single specimen from each of these deep-water stations. 



392. Lagena semistriata, Williamson. 



Lagena striata var. P semistriata, Williamson, 1848, BSGL, p. 14, pi. i, figs. 9, 10. 

 Lagena vulgaris var. semistriata, Williamson, 1858, RFGB, p. 6, pi. i, fig. 9. 

 Lagena semistriata, Brady, 1884, FC, p. 465, pi. Ivii, figs. 14, 16, 17. 



Three stations: 384, 385 ; WS 468. 



Rare or very rare everywhere. The general form is large, short-necked and nearly 

 globular, with very strong costae over the basal half of the test. At St. WS 468, in addi- 

 tion to this form, there was a small and weakly marked specimen with a very long neck. 



393. Lagena sidebottomi, nom.n. (Plate VII, fig. 23). 



Lagetia, "Intermediate form, resembling L. crenata and L. semistriata", Brady, 1884, FC, 

 pi. Ivii, fig. 20. 



