EXPLANATION OF PLATE XXL 

 Dacnitis callichroi, sp. nov. 



Ftg. 35. — 5 . Anterior extremity. X 75 (L. 19, ii). 

 ,, 36. — 2. Head. X 325. Seen from nearly sagittal plane. 



(L. 19,1). 

 ,, 37.— 5 . Head. X 2i6|. From the right side. 

 ^^ 38.-9 . Tail from ventral surface. X 2i6| (L. 19, ii). 



Dacnitis foveolata, R. 



Fig. 39.— Adult 9 . Head. From the left side. X 2i6|. (Ply- 

 mouth : fr. Pleuronectes platessae). 



40.— Adult 9 . Anterior extremity. X 325. (Plymouth : 

 fr. P. platessae). 



Spiroptera denticulata, R. var. minor, n. var. 



Fig. 41. — (f . Anterior extremity. X500. 

 ,, 42.-0'. Tail. X2i6f. 

 ,^ 43.-0'. End of left spicule seen from right side. X 750. 



Atractis kachugae, sp. nov. 



Fig. 4.4. — 9. Head. X 1000. (41/2/). 

 ,, 45.— 9 . X 75 (41/2/ X ) from ventral surface. 

 ,, 46. — 9 . Reproductive organs. X 75- 



,^ 47. — o*. Outline of anogenital region showing papillae. 

 X 750. (41/1/) from right side. 



