LIST OP ILLUSTRATIONS XI 



The blister beetle Tricrania sanguinipennis — biology, descriptions of 

 different stages, and systematic relationship 



By J. B. Parker and Adam G. Boving 



Facing page 



1 . Larval instars of Tricrania sanguinipennis 40 



2. Head structure of Tricrania sanguinipennis 40 



3. Eggs and larval instars of Tricrania sanguinipennis 40 



4. Various instars of Tricrania sanguinipennis 40 



■5. Eggs of bees and instars of Tricrania 40 



TEXT FIGURES 



A REMARKABLE NEW SEA STAR FROM JaPAN 



By W. K. Fisher 



Page 



1. Lysastrosoma anthosticta X 10. Marginal and 5 abactinal plates from 



proximal half of ray; base of ray to the right; a a a, abactinals; s s s, 

 spiniferous superomarginals; i i, inferomarginals; ad, adambula- 

 crals; secondary marginals shown between the superomarginals 2 



2. Lysastrosoma anthosticta X 10. Marginal plates from near tip of ray; 



base of ray toward left; note absence of connectives; s s s, spinifer- 

 ous superomarginals ; i i, inferomarginals 3 



3. Lysastrosoma anthosticta X 10. Diagram of plates of mouth angle. 



1-4, first four superomarginals; I-III, first three inferomarginals; 

 i, probable primary interradial plate; m, mouth plate; o, first, en- 

 larged adambulacral plate 4 



4. Pycnopodia helianthoides. Marginal and abactinal plates of a small 



specimen, a a, abactinals; s s s, spiniferous superomarginals; i i, 

 inferomarginals; ad, actinal surface of 4 adambulacral plates; base 

 of ray to the right 5 



5. Lysastrosoma anthosticta, a crossed pedicellaria 0.21 mm. long, X 200.. 5 



6. Crossed pedicellaria of Pycnopodia helianthoides, small specimen. 



Length, 0.29 mm. X 200 5 



New genera and species of Ichneumon-flies 

 By R. A. Cushman 



1. Arachnoleter swezeyi, new species; a, dorsal view showing general form 



and wing venation; b, head, cephalic view; c, first abdominal seg- 

 ment, lateral view 3 



2. Anurotropus minutus, new species; a, wings, b, abdomen of female. 



Dorsal view 5 



Fossil birds from southeastern Arizona 



By Alexander Wetmore 



1. Proximal portion of humerus of Dendrocygna eversa, posterior view. 



(Nat. size) 3 



1\ Proximal portion of humerus of Dendrocygna eversa, anterior view. 



(Nat. size) 4 



3. Proximal portion of humerus of Branta minuscula, posterior view. 



(Nat. size) 6 



4. Proximal portion of humerus of Branta minuscula, anterior view. 



(Nat. size) ^ 



5. Broken tarso-metatarsus of Agriocharis, species, anterior view. 



(Nat. size) 8 



