PLATE 41. 
Hyalonema (Hyalonema) agassizi LenpENFELD. 
Fig. 1 — form B, Station 4651. 
Figs. 2-11 —form A, Station 4656. 
Fig. 12 —form D, Station 3684 (A. A. 17). 
Figs. 18, 14 — form C, Station 4740. 
1.— Side-view of the specimen of form B; natural size; phot. Zeiss, anastig. 480/412 mm. 
2.— Side-view of the specimen of form A; reduced 1: 0.83; phot. Zeiss, anastig. 480/412 mm. 
3-6.— Oblique view of hypodermal pentactines of form A; magnified 50; phot. Zeiss, achr. aa, compens. 
oc. 6: 
3, 4, 6, larger ones; 
5, a small one. 
7.— Side-view of a small hypodermal pentactine of form A; magnified 50; phot. Zeiss, achr. aa, 
compens. oc. 6. ’ 
8.— Apical view of the lateral rays of a large hypodermal pentactine of form A; magnified 50; phot. 
Zeiss, achr. aa, compens. oc. 6. 
9.— The end-part of a lateral ray of a large hypodermal pentactine of form A; magnified 300; phot. 
Zeiss, apochr. 4, compens. oe. 6. : 
10, 11.— Smaller hypodermal pentactines of form A; magnified 50; phot. Zeiss, achr. aa, compens. oc. 6: 
10, apical view of the lateral rays of one; : 
11, side-view of another. 
12.— The specimen of form D seen from above; natural size; phot. Zeiss, anastig. 480/412 mm. 
13, 14— A specimen of form C; reduced 1: 0.83; phot. Zeiss, anastig. 480/412 mm.; 
13, seen from below; 
14, seen from above, 
LA] 
