336 JAMES EDWARD ACKERT 



Stieda, L. 1S72 Die aiigcblifheii Terminalkorjierchen an den Haareii einiger 



Saugetbiere. Archiv f. mikr. Anat., Bd. S, pj). 274-278. 

 SzYMUNOwicz, L. 1901 Lehrbuch der Histologic. Wiirzburg, A. Stuber's 



Verlag. 

 ToLDT, K. 1907. Ueber die Hautgebilde der Chiiopteren. Verb. k. k. zool. bot. 



Ges., Wien, Bd. 57, pp. 83-91. 

 Van Gehuchten, A. 1<S96 Les nerfs des poils. Mem. Cour. Acad. Belg., T. 



34, pp. 24-38. 

 Veleeky 1872 Die Endigungen der Nerven in den Haarbalgen der Saugetbiere. 



St. Petersberg Soc. Nat., Bd. 3. 

 Vincent, S. 1913 Tbe tactile bair of tbe wbite rat. Jour. Comp. Neur., vol. 



23, pp. 1-38. 

 WiMPFHEiMER, C. 1907 Zur Entwicklung der Scbweissdriisen der bebaarten 



Haut. Anat. Heft, Abth. 1, Bd. 34, pp. 429-503. 



EXPLANATION OF FIGURES 



All figvires are from bat integument except figure 12, wbich is from bat's tongue. 

 All, witb the exception of figures 2 and 3, were drawn witb tbe aid of the camera 

 lucida. Figures 2 and 3 were drawn with the aid of the Spencer projection appa- 

 ratus. The magnifications follow the descriptions of the figures. 



PLATE 1 



EXPLANATION OF FIGURES 



1 Part of a transverse section of the skin of the face; py, pigment granules; 

 mal, stratum Malpighii; .sc, stratum corneum. Fixed in corrosive-acetic, and 

 stained in hematoxylin and eosin. X 375. 



2 Portion of transverse section of integument at base of thumb, co, corium; 

 mal, stratum Malpighii; pc, pigment cell; sc, stratum corneum; si, stratum luci- 

 dum. Fixed in corrosive-acetic, and stained in hematoxylin and eosin. X 250. 



3 Transverse section of modified sweat gland from wing membrane; hm, base- 

 ment membrane; cc, columnar cells; mj, smooth muscle fibers; mn, nucleus of 

 smooth muscle fiber. Stained intra vitam with methylene blue, fixed in anuno- 

 nium molybdatc, and counter-stained with Mayer's carmalum. X 750. 



4 Part of a transverse section of skin of face; ep, epidermis; hj, hair follicle; 

 s(jl, sebaceous gland; snl, second nerve layer; Inl, third nerve layer. Stained intra 

 vitjiin witb methylene blue, and fixed in anuuoniniii inoiybdate. X 375. 



