514 DR. p. CHALMERS MITCHELL ON LOXGEVITY AND 



' A^ATmM(cont.). ^^ of _ Av. dm-. Max.duv. 



^ ^ liidiv. Ill months, in months. 



A7ias specularis (Wliite-m£irkedDxick) 1 11 H 



A. super ciliosa (Australian Wild ,, ) 45 42 ,190 



A. undulata (Yellow-billed „ ) 8 85 319 



Chaulelasmzis streperus {G^iAwsiW) ... 10 50"5 122 



Marecco penelojye (Wigeon) 41 59'5 155 



31. sihilatrix (Chiloe Wigeon) 37 48 185 



Dafila amta {Vmt'Ail) 21 55 214 



I), spinicauda (Chilian Pintail) 67 40-5 273 



.Poscilo7iettahahamensis (BsihiiiT[ia,D\ick) 24 59-7 170 



F. erythrorhyncha (Red-billed „ ) 1 128 128 



JSfesonetta aucklandica (Auckland 1 17 17 



Island Duck) 



Querquedula, whole genus 192 45 208 



(?. &ras^7^e5^s^s (Brazilian Teal) 34 39 126 



^. c«sia??.ea (Chestnut-breasted Duck) 11 19 96 



Q. circia (Garganey Duck) 43 45 164 



Q.crecca (Common Teal) 43 52 152 



Q. cycmoptera (Bine-winged „ ) 5 13"6 43 



Q. falcata (Falcated , , ) 9 18 50 



Q.jiavirostris{Qh.W.\SbiLi ,, ) 8 35 87 



Q.formosa (Japanese „ ) 21 48 150 



Q. gihherifrons (Slender Duck) 18 75 208 



Spatula clypeata (Shoveller) 18 60 154 



Marmaronetta angustirosiris {W&vhled 12 18 103 



FULIGULIN^. 



Metopiana peposaca (BuOsy-hiWed Y)-aG^ 39 47 160 



Fidigula, whole gewuB 82 42*5 193 



F.haeri (Baer's Duck) 5 21 47 



F. cristata (Tufted „ ) 23 40 125 



i^./erm« (Pochard) 21 60 193 



F. ferruginea (White-eyed Duck) 11 1 



F. mariia (Scaup) 8 20 73 



/". ritj^wa (Red-crested Pochard) 24 39 144 



:Z'acA?/eres ciweretts (Steamer Duck) ... 1 15 15 



Glangula glaucion (Golden-eje) 20 33 164 



(]E'cZe??zm m^ra. (Common Scoter) 1 30 30 



Somateria viollissiyna {EiideY T)\\ck) ... 3 14 17 



Ertsmaturtn^. 



Biziura lohata (Musk Duck) 2 2*5 3 



Merganettin^. 



Eymenoloimu^ malacorhynchus (Soft- 4 35 72 

 billed Duck) 



Mergin^/E. 



Mergus albellus (Smew) 9 22 46 



M. merganser (Goosander) 5 35 84 



i¥". se»Taf or (Red-breasted Mei^ganser). 3 7 18 



