130 



l(Piis, Liolelphnsa 

 lamcUifruns, Barytelphnsa . 

 laniaudii, Potamon . 

 Liotelphttsa, subgenus 



„ Distribution of 



lugubns, Bari/lelphusa 



Malabar tract, Potamonidae of 



Mandibular palp as basis of classification 



manii, Potamon 



manipurense, Potamon (var.) 



martensi, Acanthotelphti.sa 



masoniana, Bari/telp/iusa 



monlicola, Potamon (var.) 



napiva, Bari/tc/p/iii.sa 

 nigerrima, Bari/lelpliusa (var.) 

 N.-E. Frontier, Potamonidae of 



Osiotelpkusa, subgenus 



„ Distribution of 



Paratelphusa 

 Paratelphusa, subgenus 



„ Distribution of 



Paratelphusa spinigera, Habits of 

 pealianum, Potamon . 

 Peninsular India, Potamonidae of 

 Pliricotelphusa, subgenus 



„ Distribution of 



pi/usipex, Globitelphusa 

 pistorica, Globitelphusa 

 planata, Barytelphnsa (var.) 

 plauta, Barytelphnsa (var.) . 

 pocockiana, Barytelphnsa (var.) 

 pollicaris, Ban/telphusa 

 Potamiscus, subgenus 



„ Distribution of . 



Potamon 

 Potamon, subgenus . 



„ Distribution of 

 Potamon andersonianum group 



„ atkinsoniannm group 



PAGE 



109 



79, 82 



46, 47 



71, 109 



9 



90,91 



14 



17 

 46, 48 



35 

 61, 68 

 90, 96 



23 



79, 85, 90 

 93 

 9, 13 



71, 97 



17,70 



71 



8 



3 



38 

 10, 14 

 71, 101 



8 



n, 114, 118 



114, 116 

 79, 88 

 90, 93 

 79, 88 

 79, 89 

 19, 56 

 7 

 17, 18 

 19 

 7 

 20,32 

 20 



Potamon austenianum group . 

 „ ibericum group 

 „ laniaudii group 

 „ pealiamim group 

 Potamonidae, Analytical List of Indian 

 „ Definition of famil)- . 



Eggs of 

 „ Distribution of Indian 



„ Habits 



„ Specific characters among 



pndnosmn, Potamon . 

 pulvinata, Barytelphnsa 



quadrata, Liotelphusa (var.) . 



rangoonense, Potamon 



sikkimense, Potatniscus 



simulum, Potamon 



sinensis, Paratelphusa 



Specific characters in Potamonidae 



spinigera, Paratelphusa 



steniops, Cylindrotelphusa 



stoliczkanum, Potamon 



Telphusa indica 

 thagatense, Potamon . 

 trilobata, Paratelphusa 

 tritum, Potamon (var.) 

 tumidulum, Potamiscus 

 tumidulum, Potamon 

 tumidum, Potamon . 

 turgidulimanus, Potamon 

 turgidulum, Potamon 



Variations .... 

 ventriosum, Potamon (var.) . 



Western Frontier, Potamonidee of . 

 Western Himalayas, Potamonidae of 

 icood-masoni, Acanthoielphusa 



Zoological provinces 



109, 111 



32, 34 



10 



