64 



DONALDSON BODINE. 



Westcott, O. S. — The Assembling of the Cecropia Moth. The Entoinol. News, 



May, 1895. 

 Westwood, J. O. — Introduction to the Modern Classification of Insects, two 



volumes. London, 1839. 

 Weismann, A. — Studies in the Theoiy of Descent. Trans, and ed. by Raphael 



Meldola, F. C. S., two volumes. London, 1882. 

 "Will, F. — Das Geschmacksorgan der Insekten. Zeit. f. w. Zool., 1885, p. 674. 

 Sur les Sensations des Insectes. Entom. Nachr. 1887, 13 Jahrg, S. 227-233. 

 Wood-Mason, J.— Moi-phological Notes bearing on the Origin of Insects. 



Trans. Ent. Soc. Lond., 1879, p. 145. 



DESCRIPTION OF FIGURES. 



The figures were drawn l)y the author with a camera lucida and 

 a Leitz microscope, and a scale from a Ewell stage micrometer was 

 drawn by the side of the figure. All side views are placed on the 

 page with the distal end towards the left. The same reference 

 figures and numbers are used throughout. 



Reference Figures and Numbers. 



1. — Sense-hair of first type. 

 2. — Sense-hair of second type. 

 3. — Sense-hair of third type. 

 4. — Pit and rod. 

 5. — Cone. 



6. — "Johnston's Organ." 

 ac. — axis-cylinder. 

 c. — sense-cell. 



c. e. — compound eye. 

 ch. — chitin. 



cl. — clypeus. 



d. c. — dermal cell, 

 ep. — epicranium. 

 ge.— gena. 



1. — labrum. 

 m. — muscle. 



md . — mandible. 



me. — membrane. 



mx. — maxilla. 



n. — nerve. 



n. tr. — nerve-trunk. 



oc. — occiput. 



p. — pedicel. 



pf. — pilifer. 



pg. — postgena. 



pi. — pal])!. 



r. — rod. 



so. — scale. 



so. c. — scale-cup. 



see. — scape. 



su. — clypeal suture. 



