SYSTEMATIC INDEX. 
A 
PAGE 
ORDER LARIFORMES « 
FAMILY 2 
SUB-FAMILY STERNINAi 2 
CCII. Hydrochelidon, Boie 3 
1. nigra (Linn.). 3 
2. hybrkla (Pall.). ... ■■ ^ 
3. leucoptera (Meisner & Schinz) 9 
CCIII. Gelochelidon, Brehm 
I. anglica (Mont. ). ... ... ■■■ ■■■ ••• 
CCIV. Hydroprogne, Kaup 13 
I. caspia (Pall.). ... ... ■■■ 14 
CCV. Sterna, Linn. >7 
1. fluviatilis, Naum. ... i7 
2. macrura, Naum. ... ■■■ 21 
3. dougalli, Mont 23 
4. canliaca, Gm. 27 
5. anmstheta, Scop. ... ... ••• ■■■ 29 
6. fuliginosa, Gm. ... ... • ■■■ ■■■ ••• 32 
7. minuta, Linn. ... 34 
CCVf. Angus, Steph. 37 
I. stolidus ( Linn. ). .. ... ••• 37 
SUB-FAMILY LARIN/K 4° 
CCVII. Xema, Leach 4> 
I. sabinii (J. Sabine). ... ... ■■ 4t 
CCVIII. Rhodostethia, Bp 45 
I. rosea (Macgill.). ... .■• ••• • ■ 45 
CCIX. Larus, Linn 4^ 
1. minutus, Pall. ••• ■ ■■ 49 
2. ichthyaetu.s, Pall. ... ••• •• ••• 5‘ 
3. mclanocephalus, Natt. ... ••• 54 
4. Philadelphia (Ord.). ... ••• ••• ••• ••• 5^ 
