1883.] 241 [Jeffries. 



Fig. 18. Scutae and feathers on tarsus of young cock. 



Fig. 19. Same of another bird. 



Fig. 20. Longitudinal section of scuta of hen. ■$■. 



Fig. 21. Feather and scuta of chick 14 days. 



Fig. 22. Section of scutum of pigeon 7-2. a, transparent horn-layer ; 

 &, transitional cells ; c, mucous layer. 



Fig. 23. Transverse section of claw of 18 days chick. Letters same as 

 in following figures. 



Fig. 24. Longitudinal section of claw of 13 days chick, 7-2. a, epitri- 

 chial; b, granular layer; c, poor horn cells; d, horn cells ; e, transitional 

 cells ; f, mucous layer. 



Fig. 25. Transverse section of bill of 6 days chick. Letters as before. 

 7-2. 



Fig. 26. Section of edge of spur 18 days chick. 7-2. 



Fig. 27. Longitudinal section of spine from tongue of a cedar-bird (A. 

 cedrorum) 5-camera. a, horn layer ; b, lower part of epiderm ; c, pulp. 



Fig. 28. Longitudinal section of tip of tongue 18 days chick 7-2. Let- 

 ters as before. 



Fig. 29. Section of epiderm on dorsum of tongue, chick 18 days, 7-2. 



Fig. 30. Section of tongue spine of 12 days chick, 7-2. 



Fig. 31. Outline figure of a section of a toe pad of a pigeon, showing 

 papillae. 



Fig. 32. Section of tongue spine of a duck (Erasmatura subida) 7-2. 

 a, soft horn cells ; b, hard horn cells. 



General Meeting, March 7, 1883. 



Mr. T. T. Bouve in the chair. Nineteen persons present. 



Messrs. Warren II. Manning, Francis W. Morandi, Nathl. T. 

 Kidder, Allan V. Garratt, and John C. Kimball, were elected As- 

 sociate Members. 



Prof. G. Frederick Wright described the terminal line of gla- 

 cial action in Ohio, beginning with a point in Pennsylvania, 

 where he had left it a year ago, and following its generally south- 

 westerly trend to the Kentucky border, east of Cincinnati, and 

 discussing its various features. 



Mr. Bouve showed a very fine specimen of Strontian from 



PROCEEDINGS B. S. N. H. VOL. XXII. 16 DECEMBER, 1883, 



