8 



than expected, being about one half the width of the body in length. 

 The macronucleus was usually band-like, but several specimens had an 

 ovoid nucleus. 



Habitat: Kandel (Nov.), Universitätswiese (Nov.), Ziegelei Merz- 

 hausen (Dec). 



DilejJtns Duj. 



Of this genus, the single species Dileptus anser was found. 



Dileptus anser 0. F. Müll. 

 Body very large, length 400—720 ,«, breadth 47 — 65 f.i. 

 The specimens were typical or differed very slightly from the type. 

 In the largest specimen the proboscis measured 185 // in length. 

 Habitat: Universitätswiese (Dec), Altwasser Breisach (Dec). 



Nassula Ehrbg. 

 Of this genus, three species were found, Nassula aurea, Nassula 

 elegans and Nasszda ornata. 



Nassula aurea Ehrbg. 



Bodyofmedium size or large, length 120 — 240,«, breadth 100 — 140 /<. 



Only one specimen which gave the following measurements, length 

 150 //, breadth 110 //, was found. Owing to its smaller size and its 

 more elongated form and the intensely yellow colour of the body. I 

 place it under this species, and not along with Nassula ornata. 



Habitat: Brunnen Herdern (Dec) 



Nassula elegans Ehrbg. 

 Body of medium size or large, length 100 — 140 //, breadth 60— 90^<. 

 The specimens were typical and seem confined to one place where 

 they are fairly abundant. 



Habitat: Universitätswiese (Dec). 



Nassula ornata Ehrbg. 



Body large or very large, length 210—260 ,t<, breadth 140 — 210 ,«. 



The specimens agreed closely with the descriptions of Eoux and 

 Ehrenberg, and differs from the Nassula aurea described above in its 

 more regular form. 



Habitat: Universitätswiese (Nov.), Kandel (Nov.). 



Chilo don Ehrbg. 

 Of this genus only one species, Ciiilodon cuculhdus, was found. 



Chilodon cuculluhis 0. F. Müll. 



Body small, medium or large, length 50 —300 </, breadth 30—200 /^t. 

 The specimens were typical. 



Habitat: Lehen (Oct., Nov.), Universitätswiese (Dec), Brunnen 

 Herdern (Dec), Elsässer Breisach (Dec). 



