Dr. Lnacn’s Arrangement of the Crustacea, c. 363 
Ad hoc genus pertinet Squilla pedata, forte etiam ventricosa ? 
Miilleri. 
Gen. 16.. CAPRELLA. 
Pedum paria secundum, tertium et quartum haud appendiculata 
ad basin; paribus tertio et quarto spuriis, globosis, subgelati- 
nosis. 
Ad hoc genus Astacus atomos Pennant, Squilla lobata Müller, et 
Cancer Phasma Montagu pertinent. 
Habitat in mari inter fucos, geometricé movens. 
The specific characters may be taken from the number and 
situation of spines in the head and back, form of the second pair 
of feet, &c. The synonyms are at this time so confused that I 
cannot venture to describe or name those in my collection, amount- 
ing to four indigenous species. 
SUBDIVISIO 2. 
Corpus latum. Oculi in verticem siti. Antenne 4-articulate, supe- 
riores longiores, articulo basilari paulo majore, secundo tertioque 
aequalibus basilari paululum minoribus, ultimo minuto penultimo 
quadruplo minore ; inferiores articulo basilari superiorum breviores 
articulo ultimo minuto. Pedes compressi valide unguiculati ; ; pa- 
ria duo antica pollice instructa; par anticum minimum ad capitis 
basin udnexum, carpo articulato, secundum majus manu intus den- 
tatá, tertium et quartum coriaceo-membranacea, cylindrica, elon- 
gata, spuria. Anus productus, tuberculis obscuris parvis. 
Bursa (uterus externus) valvulis quatuor imbricata. 
Gen. 17. Larunpa. 
- Cyamus, Latreille, Lamarck. 
PaNorE, Leach. | 
VOL. XI. = 3B Spec. 1. 
