C. F. JENKIN. 



and adopted with slight modifications by Minchin (1) ; it has been considerably 

 extended to include the new species. The last column in the table gives the 

 number of species in each genus found in the ' Discovery ' collection. 



Families. 



1. Clathriiiidae 



2. Leucosoleniida; 



1. Sycettidse 



2. Grantiidas 



3. Heteropidae 



4. Amphoriscidae 



5. Chiphorida 



C Staurorrhaphida. 



Genera. 



Number of Species 



in ' Discovery ' 



Collection. 



GRADE A. -HOMOCOELA. 



(Clathrina 

 . < Ascandra. 

 iDendya. 



(Ascyssa. 

 '(Leucosolenia 



GRADE B. HETEROCOELA. 



;|Sycetta. 

 . <Sycon. 

 I TentJtrenodes 



Grantia.f 

 Ute. 



Sub-genus Synute. 

 Utella. 

 Anamaxilla. 

 Sycissa. 

 Leucandra . 

 Lelapia. 

 Leucyssa. 

 ^Dermatreton 



fGrantessa. 

 < Heteropia. 

 ( Vosmaeropsis. 



Heteropegma. 

 Amphomcus. 

 Sycnlmis. 

 Lencilla. 



(Streptoconus 

 \Hypodictyon 



{Achramorpha 

 Sub-genus Grantiopsis. 

 Megapogon . 



5 species. 



5 and 1 variety. 

 2 



1 

 1 



8 



4 



18 species and 

 1 variety. 



In the al>ove table the names of the new families and genera are printed in italics. 



* The genus Sycantha is omitted for reasons stated on p. 4. 

 f Grantioptit is transferred to the family Staurorrhaphidce. 



