276 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. XXXII. 



Summary of collectionti made hi 1905. 



Date. 



July21.... 

 .Tilly 27.... 

 August 4 . . 

 August 7.. 

 August 8. . 

 August 9.. 

 August 10. 

 August 12. 



August 17. 

 August 18. 

 August 18. 

 August 19. 

 August 22. 

 August 26. 



Number Condition of material. ^- 'J^'^^^^"" C. minus. 



In formalin. 



do 



Living 



do 



In formalin. 



Living 



In formalin. 

 Living 



In formalin. 



do 



do 



do 



do 



Living 



Few in one 

 host only. 



Few. 

 4 

 1 



Few. 



100 



Manv. 



55- 



20 



Few. 



12 in each. 



17 

 Few. 



Food notes. 



Empty. 

 Pebbles. 

 Empty. 



Do. 



Do. 



Do. 



Do. 

 Amphipod and oto- 

 lith of squetcague. 

 Empty. 



Do. 

 Otoliths of flsh. 

 Empty. 



Do. 



Do. 



CALYPTROBOTHRIUM OCCIDENTALE Linton. 



Calyptrobotltriuvi occidentale Linton, (part) Bull. 

 298-299, pi. xLi, figs. 94, 95, 97. 



U. S. Fish Comm. 1^99, pp. 



Head with thickened axial portion, bhintly rounded in front; both- 

 ria four, in pairs, the anterior end of each a rehitively hirge horseshoe- 

 shaped sucker, and sessile, 

 c '--'^ - the posterior end auriculate 



and free. Neck continuous 

 \ with axial portion of head, 



retaining dimensions of 

 head, exclusive of bothria, 

 for a short distance, then 

 \ diminishing slightl3\ Entire 

 j strobile nearly linear; seg- 

 ments begin remote from 

 head, at first much shorter 

 \ than broad, later becoming 

 V squarish, finally nearl}" cir- 



\; cular and separating easily; 



: free segments usually a little 



longer than broad, with 

 ! rounded extremities; none 



t certainly seen with ripe ova. 



,: V... ^3i-.>v- — i Neck and body crossed l)y 



minute transverse lines 

 which make a serrate outline 

 on the margins. 



Length often as much as 2.50 mm., breadth 2 mm. In a mounted 

 specimen the diameter of the head is 1.35 mm., and the breadth of the 

 neck 1.12 mm. 



Fig. 1.— c.vi.vi'trobothrium occidentale. ■ Scolex; 

 sketch made from specimen in glycerin. actual 

 diameter of head 1.35 mm. 



