RELATIVE VIABILITY IN MAMMALS AND BIRD8. 



T» f u \ No. of Av. dur. 



PLOCEIDiE {cont ). 1,,^,;,, i„ „,onths. 



Pyromelana franciscana (Seai'let 2 62 



Weaver-bird.) 



Foiidiaerythro2:>s {^eAAvicedi ,, ,, ) 8 48 



F. madagascaTiensis (Red-lieaded 12 31 



Weaver-bird). 



Pyrenestes albifrons (White-fronted 2 71 



Weaver-bird). 



S'jjermospiza hcematina (Blue-beaked 3 27 



Weaver-bird). 



S. guttata (Bright-spotted „ ,, ) 2 40-5 



Quelea, whole genus 38 51 



Q. occidentaUs (Black-cheeked Weaver- 3 63 



bird.) 



Q. russi (Russ's Weaver-bird) 6 45 



C^. ««??(/«;'« z>os/r/s( Red-beaked „ ) 29 48 



Ploceus, whole genus 16 28 



P. atrigida (Blaek-thi-oated Weaver- 3 18 



bird). 



P. hengalensis (Bengal Weaver-bird) 3 15 



P. manyar (Manyar ,, ,, ) 10 34 



Heterhyphantes melanogaster (Black- 1 122 



chested Weaver- bird). 



Sitagra luteola (Yellowish ,, ?> ) 2 67 



Ilyphantornis, whole genus 46 48 



^. 5racA?/pier« (Short-winged Weaver- 1 10 



bird). 



^. ca^j6?is;'.s (Olive Weaver-bird) 9 35 



II. castaneofuscus (Chestnut-backed 3 23 



Weaver-bird). 



//. nigricej)s (Black-headed ,, ,, ) 2 55 



Il.personata (Masked ,, ,, ) 5 57 



H. siiperciliosics (Eye-browed ,, ,, ) 1 46 



II. textor (Rufous-necked ,, ,, ) 17 59 



H. velatus (Black-fronted ,, ,, ) 8 46 



Textor alector {O's.-hivd) 1 70 



Fkingillid^. 



C'?/a??ospi2-« c.V('.§ (Nonpareil Finch) ... 13 20"8 



C. cyanea (Indigo-bird) 7 24 



P^o?MJ»ar«c«9ior« (Melodious Finch)... 5 33 



P. olivacea (Olive Finch) 2 19 



Paroarm, whole genus 38 38'9 



P. capitata (Yellow-billed Cardinal) ... 6 13"5 



P. cz(CM^^«if« (Red- crested ,, )... 25 44 



/'. larvata (Red -headed ,, )... 7 40 



Q-ahernatrix cristatellus (Black-crested 11 34 



Cardinal). 



Diuca yrisea (J)'\UQ-A Y'lwch) 11 43 



477 



Max. dur. 

 ill nioutlis. 



85 



102 

 64 



83 



55 



45 

 130 



78 



121 



130 



60 



28 



29 



60 



122 



71 



189 



10 



124 

 38 



110 

 138 



46 

 189 



83 



70 



56 

 45 

 43 

 27 



101 

 30 



101 

 76 



108 



189 



