AN ACCOUNT OF THE INDIAN CIKRIPEDIA PEDUNCULATA. 
PART E— FAMILY LEPADIDÆ (sensu stricto). 
By N. Annandai^e, B.A., D.Sc., Superintendent, Indian Museum. 
CONTENTS, 
— o — 
Page 
Preface . . . . . . . . . . . . . . 6r 
Classification of the Pedunculata . . . . . . . . . 62 
Family LEPADIDÆ . . . . . . . . . . 64 
Introduction . . . . . . . . . . . . 64 
Convergence in the Lepadidæ . . . . . . . . . . 64 
Variation in the Lepadidæ . . . . . . . . . . 66 
Genera of Lepadidæ . . . . . . . . . . . . 66 
‘ ‘ Subspecies ’ ’ and ‘ ‘ varieties ” . . . . . . . . . . 67 
Systematic account of the Indian species . . . . . . . . 6g 
Subfamily Oxynaspidinæ: . . . . . . . . 69 
Genus Oxynaspis . . . . . . . . . . 69 
Subfamily Lrpadinæ; . . . . . . . . . . . . 71 
Genus Lefas . . . . . . . . . . 72 
Subgenus Anatifa . . . . . . . . .72 
Subgenus Dosima . . . . . . . . . . . . 77 
Subgenus Hyalolepas . . . . . . . . . . , . 78 
Genus Conchoderma . . . . . . . . . . 79 
Genus Heteralepas . . . . . . . . . . 83 
Subgenus Paralepas . . . . . . . . . . -84 
Subgenus Heteralepas . . . . . . . . . . 85 
Subfamily Poecilasmatinæ . . . . . . . . . . 86 
Genus Pæcilasma . . . . . . . . . . . . 86 
Table of distribution, etc., of Pæcilasma and Megalasma . . 89 
Subgenus Pæcilasma . . . . . . . . . . . . 90 
Subgenus T rilasmis . . . . . . . . . . . . 94 
Genus Megalasma . . . . . . . . . . . . 95 
Genus Dichelaspis . . . . . . . . . . . . 98 
Biology of the genus Dichelaspis . . . . . . . . . . 100 
Table of distribution, etc., of the genus Z)fc/îe/«s/>»‘s .. .. .. 105 
List of the Lepadidæ in the Indian Museum . . . . . . . . 127 
List of the R.I.M.S. “ Investigator ” stations cited in the paper . , . . 137 
