——, var. major .. 
canus major ... 
capistratus ... 
catarractes..... 
chalcopterus ... 
cinerarius ..... 
cinereo-caudatus .. 
cinereus ......064+ 
cirrhocephalus .... 
crepidatus ..... 
cucullatus..... 
see 
cyanorhynchus.... 
Larus canus .,.... complogls 
342 
Larus delawarensis..... 1878, 
dominicanus...... 
d’orbignyi........ 
ebuimeus ..... 000 
epargyrus ........ 
erythropus........ 
fabricii 
flavipes 
franklini 
fritzei 
frobeeni 
frontalis 
fuliginos 
furcatus 
eee ww eee 
a 
eee ee awe 
eee rene nee 
US. we reees 
eee een nee 
fuscescens,........ 
fuscus 
1878, 
1878, 
1878, 
1871, 
1871, 
1871, 
1874, 
1877, 
1878, 
1878, 
1878, 
1879, 
1878, 
1871, 
1878, 
1878, 
1880, 
1878, 
