39 



GENUS SEBASTODES. 



607 



g. Postocular and tympanic spines both present. Interopercle and 



subopercle without spines. Lower pectoral rays normal, 

 h. Coronal spines; nuchal spines, a spine below, another in front 

 of eye. * malzubarae with this species we are not 



acquainted, 

 hh. No coronal spines. Sebastomus Gill. 



miniatus, pinniger, levis, aereus*, conslellatus, umbrosus*, rosaceus, 

 rhodochloris* , gilli*, rupeatria*, eos, chlorostictus*, ruber", rufus. 

 gg. Postocular spine wanting, 

 i. Coronal spines none. 



Pteropodus E. & B. 1 



Species with normal pectoral rays, (living off the bottom) 



saxicola* , proriger\* , breviapinia*, elongatus, sinensis. 



Species with lower pectoral rays thick (living on the bottom) 



zacentrus*, maliger, caurinus, vexillaris, rastrelliger, nebulosus, 



carnatus, chrysomelas. 



ii. Coronal spines present. 



Auctospixa E. & B.~ 



aurora*, auriculatus. 



t The specimen described by E. & E., Proc. Cal. Acad. Sci. (2) III, 15, 

 1890, is a species distinct from proriger. 



The inter-relationship of these genera is complex. It may be repre- 

 sented by the following diagram, where the genera with the united parietals 

 are followed by an asterisk. 



! Type P. maliger (J. & G.) 



2 Type A. auriculatus (Girard). 



Auctospina 



Sebastichthys* Pteropodus Sebastomus 



\ 



Sebastodes 



Acutomentum* 



Sebastosomus' 



Primospina' 



