292 PROCEEDINGS OF THE ACADEMY OF [Apri], 



EXPLANATION OF PLATE XL 



All the figures represent portions of transverse sections of the cuticle, ex- 

 cept fig. 4, which represents a single papilla ; all were drawn with the 

 camera lucida at the height of the microscope stage Avith a Zeiss microscope, 

 length of tube 100 mm., ocular 4, homogeneous immersion objective j'^th. 



Figs. 1, 2. — Male (co-type of (J. pucrilis, length 64 mm.). 



Figs. 3, 4. — Male (type of C. puerilis, length 228 rum.). 



Fig. 5.— Male (length 150 mm.). 



Fig. 6.— Male (length 220 mm.). 



Fig. 7. — Female (length 127 mm.). 



Figs. 8, 9.— Female (length 190 mm.). 



Fig. 10.— Female (length 180 mm.). 



Fig. 11. — Female (type of C. morgani, length 220 mm.). 



