MONOGRAPH OF THE LEUCOSIADÆ: 303 
Genus EBALIA, Leach. 
Cuar. Gen.—Testa rhomboidalis vel subhexagona; fronte producto, emarginato. Orbita suprà fissuris 
duabus, Fosse antennarie tectæ, oblique. Pedipalpi externi ad marginem epistomatis extendentes, 
caule exteriore margine externo recto, interiore acuminato. Pedes antici breves, crassi; posteriores 
sensim breviores, ungue forti, styliformi terminati, Abdomen Maris segmentis plurimis, —Faw1N.x 
a tertio ad sextum confluentibus.  . 
Of this genus the three species most commonly known are natives of the coast of 
Great Britain. The only other form to which it closely approximates is Lifhadia. It 
was established by Leach, and is a perfectly natural and distinct genus. Dr. Milne- 
Edwards's opinion that our three forms are merely varieties cannot be admitted. The 
distinctions are tangible and constant. 
EBALIA PENNANTI, Leach. Testà granulatä, eminentià longitudinali et transversali 
cruciformi; margine latero-anteriore bilobato; abdomine maris segmentis a tertio 
ad sextum confluentibus. 
Cancer tuberosus, Penn. Brit. Zool. iv. t. 9 a. f. 19. 
Ebalia Pennantii, Leach, Malac. Brit. t. 25. f. 1-6. Edw. Hist. Nat. des Crust. ii. p. 129. Bell, Brit. 
Crust. p. 141. 
Hab. ad oras Britannis. Muss. Brit., Bell. 
The largest species of the genus. 
EnALIA Brrert, Leach. Testà minut? granulatà; margine laterali integro, subrevoluto, 
posteriore bilobato; regione cardiac’ bituberculatä, branchiali —— 
latà; brachio haud bis longiore quam latiore. Abdomen maris segmentis a tertio ad' 
quintum,—fceminze a tertio ad quartum coalitis. 
Can s, Mont. Trans. Linn. Soc. ix. p. 86. t. 2. f. 3. 
: Thika Kane kanaler Malac. Brit. t. 25. figg. 12, 13. Edw. Z. c. p. 129. Bell, Brit. Crust. p. 145. 
Hab. ad oras Britanniæ australes. Muss. Brit., Bell. 
EBALTA Crancutı, Leach. Testå granulatä, carinata, tuberculis quinque; margine latero- 
anteriore ferè integro; brachio ter longiore quam latiore. 
Ebalia Cranchii, Leach, Malac. Brit. t. 25. f. 7-11. Edw. l. c. p. 129. Bell, Brit. Crust. p. 148. 
Hab. ad oras Britanniæ rarissimè. Muss: Brit., Bell. 
EBALIA GRANULOSA, Edw. (Tas. XXXIII. fig. 5). Testa granulatä, tuberculis sex; 
margine lätero-anteriore bilobo. 
Ebalia granulosa, Edw. l. c. p. 130. 
Hab. ad insulam Corcyram. Mus. Brit. 
Two specimens of this rare and very distinct 
were brought from the Island of Corfu. 
species are in the British Museum ; they 
ded bita suprà emarginata, fissuris 
: ice i ita suprà em 
Char. Gen.— Testa rhomboidea, tuberculis tribus m=» instructa, Or - vows méme 
. duabus, Fosse antennarie cum orbitis communicantes. Antennule elonga ipal erni cau 
