16 D. S. FLETCHER 



43 (42) Sacculus sclerotized and dilate towards mid-valve in apical third ; apex of 



sacculus minutely produced at two-thirds ventral margin of valve ; shorter 

 cornutus tipped with a cluster of spines or spined at one side in apical eighth 

 (Text-figs. 144, 145) ...... rothkirchi (p. 108) 



Apex of sacculus setose, sometimes with a minute, membranous projection at 

 two-thirds ventral margin of valve ; shorter cornutus finely tapered at apex, 

 apical half of one surface with 6-7 adpressed spines (Text-figs. 115, 116) 



oligodranes (p. 86) 



44 (42) Process from apex of sacculus cylindrical, cygnate and scobinate, one and one- 



fourth times as long as width of cucullus ; shorter cornutus smooth (Text- 

 figs. 136, 137) ....... lima (p. 100) 



- Sacculus not so formed ........ 45 



45 (44) Apical third of sacculus dilate and scobinate, more heavily on inner surface, 



scobination extending to cover over-curved, spatulate apex ; shorter cornu- 

 tus usually smooth, but occasionally one or two adpressed spines mid-way 

 along one surface (Text-figs. 99, 100) .... toulgoetae (p. 76) 



- Sacculus not so formed ........ 46 



46 (45) Process from apex of sacculus slender, spatulate and scobinate, equal in length 



to uncus and incurved slightly apicad ; base of gnathus one and one-fourth 

 times as broad as cucullus, scobination extending posteriorly along sub- 

 scaphium for distance equal to one-half of its width ; shorter cornutus with 

 adpressed spines along one surface (Text-figs. 138, 139) . scobina (p. 101) 



- Sacculus not so formed ........ 47 



47 (46) Apical third of spacculus broadly spatulate, apex produced and narrowly 



rounded, minutely and densely scobinate ; gnathus broader at base than 

 cucullus, scobination extending posteriorly along subscaphium (Text-fig. 134) 



pavlitzkiae saltuensis (p. 98) 



- Sacculus not so formed ........ 48 



48 (47) Apical projection from sacculus spatulate and slender, apex not incurved 



(Text-fig. 127) ..... pavlitzkiae lamella (p. 94) 



- Sacculus not so formed, apex incurved ...... 49 



49 (48) Apical projection from sacculus blunt, setose but not scobinate and only one- 



eighth as broad as cucullus (Text-fig. 124) . pavlitzkiae pavlitzkiae (p. 92) 



- Apical projection from sacculus spatulate, scobinate and broader than one- 



eighth width of cucullus ........ 50 



50 (49) Apical projection from sacculus one-fourth as broad as cucullus and incurved 



through 90° (Text-fig. 129) . . . pavlitzkiae etesiae (p. 94) 



- Apical projection from sacculus one-third as broad as cucullus and obtusely 



incurved (Text-fig. 131) . . . . pavlitzkiae oriadelpha (p. 98) 



Cleora acacia ria (Boisduval) 



(Text-figs. 4-6 ; PI. 1, figs. 147-151 ; Map 1) 



Boarmia acaciaria Boisduval, 1833 : 264. 



Boarmia acaciaria Boisduval, 1833a : 116, pi. 16 : 4. 



Boarmia acaciaria Boisduval ; Guenee in Maillard, 1862 : 29. 



Cleora acaciaria (Boisduval) Vinson, 1938 : 38. 



Neocleora acaciaria (Boisduval) Viette, 1954 : 5°9- 



Neocleora acaciaria (Boisduval) ; Herbulot, 1957 : 2 34- 



cj. Crest on first abdominal segment white. Vestiture and wings tilleul buff varyingly 

 suffused with cinnamon brown and tawny ; tilleul buff ground colour clearly discernible on 

 wings only in medial area of two examples ; postmedial fascia black, slender and sharply 



