244 



Table showing comparative data relate 



The figures in parentheses are based on measurements obtained 



(relating to 0. gibsoni) are taken from Dr. Sweet's p aD « 



Females . 



Onchocerca, spf. »izes in millimetres. 



the authors' drawings (Joan, Piettre), while those in brackets 

 QVi dp- 44> 4^)> compiled from the work of various authors. 



Length of female 



Diameter -15 mm. from anterior end 

 Diameter just in front of vulva 

 Diameter of mid-body ... 

 Diameter at level of anus 

 Diameter of cervical dilatation 

 Nerve-ring from anterior end 

 Oesophagus, length 

 Oesophagus, diameter ... 

 Vulva from anterior end 

 Anus from posterior end 

 Cuticle thickness 

 Distance between spiral ridges on mid-body 

 Ratio of distance between adjacent ridges on 

 mid-body to maximum diameter of mid-body 

 Number of striae between ridges 

 Height of ridges on mid-body ... 

 Egg (with larva), length 

 Egg (with larva), breadth 



Free larva, length 



Free larva, breadth 



0. gutturosa, 

 Australia. 



■07--085 



■250- -280 



•08--10 



■07--075 



•22--24 



1-52 



■012--018 



•55--60 



•22 



■030 



■095--120 



•33-43 



4 



■004--006 



•032--037 



•023--030 



•20 



•005 



Males. 



Length of male ... 



Diameter -15 mm. from anterior end 



Diameter -5 mm. from anterior end 



Diameter of mid-body 



Diameter of level of cloaca 

 Diameter cervical dilatation ... 

 Nerve-ring from anteriw end 



Oesophagus, length 



Oesophagus, diameter 



Cloaca from posterior end 



Long spicule, length 



Short spicule, length 



Long spicule, diameter 

 Short spicule, diameter 

 Transverse ridges apart 

 Papillae (adanal. postanal, caudal) 



0. gutturosa, 

 Australia. 



24-33 

 •05--O6 

 •05--06 

 •08--09 

 •03--04 



•065 

 •18--22 

 11 

 •010--020 

 •075- -085 

 •180--255 

 •060- -080 

 •005--007 

 •007--010 



•0015 

 : , 2, 1 or 2 



0. bovis, 



France 



(Piettre). 



260+ 



•26-29 



•S2--85 

 •6S--65 



•048--053 



•034--036 



■230--265 



•0055 



0. bovis, 



France 



(Piettre)^ 



40-50 

 •085--095 



•750--800 



■ISO- -210 

 ■065--075 



■005-006 

 4. 1, 2 



245 



Sizes in millimetres. 



Females. 



0. bovis, 

 Argentine 

 (Joan and 

 Piettre), 

 fflO+^TOOl 7 



(•06) 



(•10) 



•508 



(•170) 



(•030) 



(■27) 



1-262 



(■004) 



(•60) 



(•30) 

 . ('023) 



•209 



(■24) 

 (6-9) 



■038--042 

 •031-'035 



0. bovis, 



Argentine 



(Joan). 



(Din our original short account (Agric. Gaz., N.S. Wales, l?^ 



is a typography 



57-5 

 (•032) 



•09 

 (•03) 



(•01) 

 (•057) 

 ■216 

 •078' 

 (?-005) 

 (?-005) 



0. gutturosa, 

 N. Africa. 



550+ 



(•O72)--081 



(•09) 



•30 



(•07) 



•09--10 



(•28) 



115 



(•036) 



•55 



■20 



•035--047 



•090--110 



(•33--37) 



3-5 



(•006) 



•035--045 



•028--O35 



•170-195 



•004 



0. lienalis, 







Queensland. 



0. gibsoni. 



0. fasciata. 



316-(460 ?) 



[526-1403] 



? 



•04 



[•049]--13 





•04 



[-106--207] 





■18--20 



[•37--5] 



■40--475 



■065 



[-175--245] 





Absent 



Absent 





■16 



[-102--188] 





•75-1-1 



[-52-1-42] 





■015--02 



[-017--052] 





■43--48 



[-33-1-1381 





•13 



[-175--402] 





•020 



[-007--01] 



•012--015 



•040 



•05--08 



•07--09 



•2 



•11--13 



10 



2 



2 



2-4 (3) 



•002 



•012--015 



(-006--009) 



•038-040 



[-04--045] 





■028--030 



[-03--039] 





•240 



[•22--35] 



■18-23 



•004 



[-003--004] 



■003 



(3 



in text), 0,2 



0. gutturosa, 

 N. Africa. 



28-3-33-8 



•35 ( ? -035) 

 •09--105 

 0-58 

 •08 

 (•35) 

 •95 



•225- -295 



•075--088 



(-01) 



(-015) 



•0015--0018 



4, 2, 1 



0. lienalis, 

 Queensland. 



23-8 

 ■05 

 ■05 

 ■052 

 •03 

 Absent 

 •13 

 •90 

 •018--025 

 •060 

 •240 

 ■057 

 •006 

 •009 

 ■002 

 4, 1 (?2), 1 



0. gibsoni. 



[33-55] 

 •038-[-066] 

 •061-[-085] 

 •12-[-196] 

 [-035--056] 



Absent 



[-14--20] 



[-48-1-07] 



[-015--07] 



[-048--087] 



[-140--220] 



[-063--094] (i) 



[-005--014] 



[-005--008] 



[-0045--006] 



4, 1. 2 (3) 



0. fasciata. 



Male not yet 

 known 



'e shorter spicule was reported to be '047 mm. in 

 *o* for 074 mm. 



length. This 



