Cross sections of Ilalomcnia gravida. X 55. 



Figs. 1, 2, 3 correspond lo lines A, B, C in (ig. o, pi. ") (anterior end). 

 Fig. 4. S3ction through body behind pharynx. 

 Fig. 5. Salivary gland lobules opening into main duct. 



Figs. 6, 8, 11 (see fig. 8, pi. 15) correspond lo lines K, ]'', C! in lig. 5, \il. 3 (posterior end). 

 Fig. 7. Longitudinal section through advanoed lar\ii, showing cerebral ganglion chain 

 stomodaeum, st, and early stage in the development of the anlcrior ped.-d glaiiil and outlet, f. 

 Fig. 9. Section through anterior division of heart . 

 Fig. 10. Section through junction of two divisions of heart. 

 Fig. 12. Section through dorso-terminal sense organ 

 Fig. 13. Spines from middle of body. X 300. 



