8 G. O. Sars. 



were picked up from the sample taken by Mr. Iversen in 

 the north-eastern part of the country. 



Distribution. — Brazil (the present author), New Gui- 

 nea (Daday). 



FAM. OAPHNIDiE. 



Dapliiiia longispina (Müller); forma typica. 



Occurrence. — This well-known species developed 

 rather abundantly in one of my aquaria prepared with 

 mud from Sumatra, all the specimens being originally de- 

 rived from 2 primitive individuals hatched from a single 

 ephippium. The specimens on the whole agreed fairly well 

 with the typical form, having the shell very pellucid and 

 the shell-spine slender and more or less curved upwards. 



Distribution. — Europe, Central Asia. 



3. Simoceplialus exspinosus (de Geer). 



Occurrence. — A solitary, but fully developed female 

 specimen of this form was secured from one of my aquaria 

 prepared with mud from Sumatra. 



Distribution. — Europe, Central Asia, Algeria, Cape 

 of Good Hope (collection of Dr. Purcell). 



4. Scapholeberis Kiugi, G. O. Sars, n. sp. 



(PI. I, figs. 2 a— c). 



Daphnia miicronata, King. ' On Australian Entomostra- 

 cans'. Proceed of Roy. Soc. of Van Diemens Land, Vol. II, 

 Part II, PI. VI, E (not Müller). 



Specific Characters. — Female. Head compara- 

 tively smaller than in S. miicronata, with the frontal part 

 less prominent and more evenly rounded, ventral margin 

 deeply concaved, dorsal nearly straight, rostral part obtusely 



