260 Proceedings of the Royal Society of Victoria. 



H. Affixing on Haft organ of certain Limnadiidae. 

 Lp. Lip. M. Mandibles. M^ M'' First and second 

 Maxillae. (Eyes and ocellus). 



Appendages of Mesosome : 



L. Branchial legs with respective number added. (CP. 

 Covei'ing-plate. G. gill. E. exopodite. En^ — En^ 

 endites). 



Appendages of Metasome : 



C.R. Caudal rami and Caudal claws. In Branchipodidae the 

 two first segments (genital segments) bearing Ov. ovary, 

 or P. penes, in respective sex. E. egg. 



Plate XXVII. 

 Artemia australis ?. 



Plate XXVIII. 

 A. Artemia westraliensis $ . B. Parartemia zietziana ? . 



Plate XXIX. 

 Parartemia zietziana 3'. 



Plate XXX. 



Branchinella australiensis (Richters). 1. Small ovigerous 

 female, side view. \a. Extremity of second antennae. 

 2. Head and appendages of male. 2b. Armature of 

 inner surface of first joint of claspers. 2a. Right hand 

 branch of frontal appendage. 3. Portion of tail show- 

 ing ovary of large sized female. 4. Portion of tail of 

 male showing internal generative organs of one side, 

 with sheath of penis protruding outwards. 5. Similar 

 to preceding but with the two penes everted from their 

 sheaths. 6. Penis of left side more highly magnified. 

 7. Fifth branchial leg of small sized male. 



Plate XXXI. 

 Branchinella eyrensis. 



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