ART. 7 CESTODE PABASITES OF BIRDS LINTON 15 



1913, February 13. — Sixteen with scoleces, all about the same 



size, length 68 mm,, maximum breadth 2; ripe proglottides 



on practically all. 

 1913, February 15. — Thirty-one with scoleces, largest, length 80 



mm., maximum breadth 2, smallest, length 30 mm., but with 



ripe proglottides. 

 1913, April 28. — Five with scoleces, longest 58 mm. 



1913, December 31. — Fifty-six, largest, length 140 mm., maxi- 

 mum breadth 4; a small strobile, length 11, breadth 0.7. 



1914, February 21. — Mass of strobiles, not disentangled and 

 counted, but doubtless as many as noted on the label, 120. 

 Two removed measured 178 and 200 mm. respectively; all 

 appeared to be large, maximum breadth 4 mm. 



1914, December 12. — Ten with scoleces, and a few fragments, 

 longest 84 mm. 



1914, December 26. — Seven strobiles, no scoleces ; length 100 mm. 



1915, July 7. — Thirty-one with scoleces. 

 1915, August 11. — ^Very numerous. 



1917, January 26. — Seven with scoleces, and many fragments; 

 longest about 55 mm. ; 4 small, with apparently nearly mature 

 proglottides. 



1917, February 6. — Two with scoleces, and fragments aggregat- 

 ing a length of 1,200 mm.; 1 small strobile with scolex. 

 Colyrribus auritus: 



1904, March 3. — Two with scoleces, 12 and 54 mm. in length, 

 respectively ; maximum breadth 3.2. 



1912, February 8. — Two strobiles with scoleces, 65 and 70 mm. 

 in length, respectively, and fragments aggregating 315 mm. 



1914, April 16 — Four scoleces; longest strobile 40 mm., maxi- 

 mum breadth 2. 



1917, February 20. — Three strobiles with scoleces, and one frag- 

 ment. 

 Golyiiibus holhoelli, New host: 



1905, December 11. — One and fragments. 



1909, January 30, — A few fragments and one scolex. 



TETRABOTHRIUS SULCATUS, new species 

 Figures 32-39 



Scolex. — Squarish, with rather sharp and clear-cut outlines; the 

 overhanging, shelf-like anterior appendage, characteristic of the 

 genus, well developed on the margins, but less prominent in dorso- 

 ventral aspects ; length and breadth each about 0.35 mm. 



Strobile. — The unsegmented portion has a tendency to narrow a 

 short distance back of the scolex. The strobiles are slender and 



