15 
Ua 
Decapod Crustacea of Californ 
me 
The Mar 
Rostrum-\ength measured to posterior margin of orbit 
Carapace it Abdomen- somites or segments |-6 t 
Ss Eye- Frontal region : 
Supfa-orbital spine ‘ Cardiac 
Orbital ‘e \ > region 
Gastric region cy — 
Hepatic’ we 
“region +” 
atic spine 
Branchial 
region 
. 
ics 
e Sa) spine 
Ay Tschium S 
y (Lschiopodite) 
FY 
A} : Merus 
A Chel iped: ~ (Meropodite) 
H (First leg) 2 Gertie 
s & Sj (Carpopodite) 
Subchelate 9 af foes : 
a “hand = a Propodus (Swimmerets) 
uItiarTieulate ca 
DEDSDEDE 
Rw eee 
~— 
a) 
<7 
Schmitt 
1921] 
‘ es: F iN ) Telson 
¥ pyre oe as : g ( Propodite) s mf 
Wie? 4 3 a a C7 Dactylus | ae 
; 43 etn i (DacTylopodite) } 
i noe o ee Uropods 
Lateral view of a macruran (shrimp-like) decapod (in part after 
Biss i: 
Stimpson). 
