50 



Mr. C. R. Narayan lUo on sotne 



is fairly constant, the first ocoiirrinj; on the somite 1 1, 

 thou^li there may be lop-sided individual variations. Behind 

 the clitcUar wing segments 33-35 bear lateral tubercles, 

 and median ones occur on segments 38-40. The disposition 

 of the lateral papillae is interesting : the first three on cither 



Fig. 3. 



/?,y. 



<7't'. 



/7«?/?.^ 



..Coe/./77. 



v5V/.- ' 



A. Transverse section of the middle of body of G.fiinnatilit, to show the 



relation of the ccelomic muscles and the viscera. In the ventral 

 coelnmic chamber lie the uephridia, nerve-cord, and the subintes- 

 tinal and subneural vessels. 



B. Stained preparation of the ccelomic muscles, showing the clumps of 



cells and corpuscles of the ccelomic fluid. The double and tri- 

 nuclear nature of the cells is clearly seen. 



side are in seta-line bc^ 4 and 5 are shifted doraalwards 

 lying in seta-line cd^ and the series from tlie sixth is again 

 shifted to seta-line cd. Each tubercle is placed on the 

 posterior margin of the somite to which it belongs, and may 

 be so arge that the tubercles form a continuous row. Each 



