CONTENTS. 



Part \ .^-Pvhlished 30th March, 1918. 



Page. 



I. Rhynchota from Barkiida Island ... ... 1 



II. Some undescribed Tadpoles from the hills of Southern 



India ... ... ... ... 17 



III. The Tadpoles of the families Ranidae and Bufonidae 



found in the plains of India ... ... 25 



IV. Notes on the Tadpoles of Indian Engystomatidae ... 41 



V. On two abnormal specimens of Ducks in the collection 



of the Zoological Survey of India ... ... 47 



Part U.— Published 30th April, 1918. 



VI. A new race of Hare from the Persian Frontier of Meso- 

 potamia ... ... ... ... 49 



VII. Further observations on Rana tigrina ... ... 51 



VIII. The Lymph Glands in the genus Pheretima with a note 



on the coelomic organ of Beddard ... ... 69 



IX. Notes from the Bengal Fisheries Laboratory. No. 4. 



Cestode Parasites of Hilsa ... ... 77 



X. Notes on some Hares in the Indian Museum with des- 

 criptions of two new forms ... ... 89 



Part III.— Published 30th August, 1918. 



XL The Middle Ear of Indian Frogs ... ... 97 



XII. A note on the skeletons of Balaenoptera edeni, Ander- 

 son, in the Indian Museum, Calcutta ... 105 



XIII. On the Anatomy of certain Indian Unionidae ... 109 



XIV, The Description and Life-history of a new species of 



.4wojo/«eZe5 that breeds in holes in trees ... ... 123 



XV. Studies on Infusoria ... ... ... 129 



XVI. The evolution of the caudal fins of Fishes ... ... 135 



XVII. Studies on the Anatomy of Indian Mollusca, No. 2 ... 143 



XVIII. New species of Slug-like Molluscs belonging to the 

 Family Zonitidae from the Dawna Hills, Tenas- 

 serim ... ... ■•• ••• 149 



XIX. Contributions to the Anatomv of Aquatic Diptera, 



No. 1 ... ..'. ... - 153 



XX. Freshwater shells from Mesopotamia ... ... 159 



