33. 
34. 
35. 
36. 
37. 
38. 
AND ENDOSKELETAL SYSTEMS OF LIMULUS. 
. Intersternal. 
. Internal tergo-pygal. 
. Middle tergo-pygal. 
. External tergo-pygal. 
. Ventral entapophysio-pygal. 
. Internal sterno-pygal. 
. External sterno-pygal. 
. Vertical mesosomatic (‘‘ transyerse abdominal ” 
of Milne-Edwards). 
Mesosomatic oblique entapophysio-sternal, 
. Branchio-thoracice (Milne-Edwards). 
. A slip from 18 to the second entapophysis. 
. External branchial, 
. Anterior entapophysio-branchial. 
. Posterior entapophysio-branchial. 
. Pre-entapophysio-branchial. 
. Tergo-coxal of the first prosomatic appendage. 
. Tergo-coxals of the succeeding appendages. 
25 a. Tergo-coxal of second appendage. 
256, Tergo-coxal of third appendage. 
25. Tergo-coxal of fourth appendage. 
25d. Tergo-coxal of fifth appendage. 
25 e. Tergo-coxal of sixth appendage. 
. Antero-superior tergo-coxal, 
. Antero-inferior tergo-coxal. 
. Postero-superior tergo-coxal. 
. Postero-inferior tergo-coxal. 
. Anterior plastro-coxal of first appendage. 
. Posterior plastro-coxal of first appendage. 
. Second superior plastro-coxal. 
m, its anterior slip (to anterior border of ento- 
coxite). 
n, its posterior slip (to posterior border of ento- 
coxite). 
Second mid plastro-coxal. 
Second inferior plastro-coxal. 
Third superior plastro-coxal. 
o, its anterior slip. 
‘p, its posterior slip. 
Third mid plastro-coxal. 
Third inferior plastro-coxal. 
Fourth superior plastro-coxal. 
q, its anterior slip. 
r, its posterior slip. 
39. 
40. 
41. 
63. 
64. 
. Chilarial. 
. Gastro-sternal. 
. Plastro-buccal. 
. Veno-pericardiac (pericardio-ventrals), 
. A slip from the ventral longitudinal (3) to the 
333 
Fourth mid plastro-coxal. 
Fourth inferior plastro-coxal. 
Fifth superior plastro-coxal. 
s, its anterior slip. 
t, its posterior slip. 
2. Fifth mid plastro-coxal. 
. Fifth inferior plastro-coxal. 
. Sixth antero-superior plastro-coxal. 
. Sixth mid plastro-coxal. 
. Sixth antero-inferior plastro-coxal. 
. Sixth postero-inferior plastro-coxal, 
. Internal branchial. 
; Three tergo-proplastrals. 
. Dorso-lateral plastro-tergal. 
. Dorso-lateral plastro-entapophysial. 
. Anterior mesoplastro-entapophysial. 
. Posterior mesoplastro-entapophysial, 
. Dorsal metaplastro-entapophysial. 
. First lateral proplastro-tergal. 
. Superior second lateral proplastro-tergal. 
. Inferior second lateral proplastro-tergal. 
0. Sixth postero-superior plastro-coxal. 
. Meso-metasomatic sternal. 
Mesosomatic inter-sternals. 
second abdominal sternite. 
. A slip from 3 to third abdominal sternite. 
. A slip from 3 to fourth abdominal sternite. 
. Vertical entapophysio-metaplastral. 
. Middle entapophysio-plastral (part of 2). 
. Slip from 3 to fourth entapophysis. 
. Slip from 3 to fifth entapophysis. 
. Slip from 3 to sixth entapophysis. 
. Slip from 3 to seventh entapophysis. 
. Intertergal. 
. Slip from 1 to third entapophysis. 
. Slip from 1 to fourth entapophysis. 
. Slip from 1 to fifth entapophysis. 
. Slip from 1 to sixth entapophysis. 
. Termination of J in seventh entapophysis. 
