INDEX 

 To Communications, Vol. IV, 



A. 



[Ammonactis, nov. gen., 160 



Acanthogorgia coccinea, 152, 188 ' rubricollum, 151 



Accipiter Cooperii, 51, 92, 95, 98 Ampelis cedrorum, 66, 92, 95 

 fuscus, 51, 92, 95, 98 



Actinacea, 148 

 Actinaria, 147 

 Actinidse, 148 

 Actiturus Bartramius, 78 

 Actodromas Bonapartii, 77, 87, 95 



maculata, 77, 95 



minutilla, 77 



pusillus, 95 

 ^gialeus melodus, 86, 93, 96 



semipalmatus, 77, 94 

 ^gialitis melodus, 86 



semipalmatus, 77 



vociferus, 77 



Wilsonius, 86 



^giothus linarius, 70, 93, 96 

 Agelseus phoeniceus, 74, 92, 96 

 Aglaope, 31, 33 



americana, 33 



coracina, 31 

 Aix sponsa, 79, 93, 96 

 Alcyonacea, 148, 190 

 Alcyonaria, 148, 181 

 Alcyonella, (note) 203 

 Alcyonidae, 148, 190 

 Alcyonium? 191 



agaricum, 191 



rubiforme, 190 



sp., 191 



Allen, J. A., Catalogue of Birds 

 found at Springfield, I 

 Mass., 48 



on the Duck Hawk, 153 

 Alypia, 23 



Pupa, 24 

 Ammodromus caudacutus, 84, 92, 96 



maritimus, 84, 92, 96 



garrulus, 66, 93, 96 

 Anas boschas, 78, 95 



pbscura, 78, 93 

 Anatolmis, nov. gen., 45 



Grotei, nov. sp., 47 

 Ancylocheilus subarquata, 87, 94 

 Anorthura hyemalis, 68 

 Anser erythropus, 88 



Gambelii, 87, 94 



hyberboreus, 87, 94 

 Ansetus, 139 

 Anthax morio, 127 



ornata, 128 

 Anthelia lineata, 193 

 Antherophagus, (Byturus) 104, 108 

 Antherophagus, 128 



ochraceus, 128 

 Anthophorabia, notes on a new 

 species of, 133 



Larva of, 137 



megachilis, nov. sp., 134 



Pupa of, 136 



Anthus ludovicianus, 58, 94 

 Antipathacea, 147 

 Antipathes flabellum, 187 

 Antipathidae, 148 

 Antrostomus vociferus, 53, 92, 95 

 Apathus, 104, 108, 118 



Ashtoni, 118 



citrinus, 119 



contiguus, 119 



elatus, 120 



Aquila canadensis, 81, 93 

 Archibuteo lagopus, 51, 93 



Sancti-Johannis, 51, 93 

 Ardea herodias, 76, 93, 96 

 Ardetta exilis, 76, 93, 96 



ESSEX INST. PROCEED, iv. DP. May 28, 1866. 



