60 
ROOMVIII 
Nat. Hist. 
. various shells whose situation in the system has not 
yet been in any degree ascertained; such as the 
argonauts, or paper nautili: two species of nautilus, 
commonly 'denominated chamber nautili; water- 
pot shells, &c. 
Table 32 contains a collection of the shells of 
the class cirripedeSy or barnacles^ such as the dia¬ 
dem coronula, Lamarck’s Tubicinella, or windpipe 
shell, several species of the newly discovered genera 
Pyrgoma and Creusia imbedded in coral; Savigny's 
Acasta; various sorts of pentalasmis or goose¬ 
bearing shell; two species of poUicipes ; two spe¬ 
cies of cineras ; and one of otion or eared barnacle. 
Tables 33 to 36 contain Crustacea^ as limulus or 
king-crab ; rarina ; calappa or crested-crab ; gecar- 
cinus or land-crab; dromia; mithrax or spiny-crab; 
birgus ; pagurus or hermit-crab; scyllarus or scale- 
crab ; palinuriis or cray-fish, of which the smooth¬ 
tailed, the spotted and gigantic are the most re¬ 
markable. 
Table 3/. In this table the old genera serpula 
or worm-shell and dentalium or tooth-shell are de¬ 
posited. ' 
Tables 38 to 42 contain echinodermata^ such 
as asterias or star-fish ; ophiura or snake’s-tail; 
alecto ; gorgone-cephalus or Medusa’s-head ; pla- 
cuna; echinus or sea-egg; &c. 
Cases 43 to 45 contain corals , of various sorts, 
as madrepores, gorgoniae, &c. 
NINTH 
