AND ENDOSKELETAL SYSTEMS OF SCORPIO. 359 
39-44, Arthrodio-tergal rectus muscles (metasoma). 
45-48. Arthrodio-tergal obliquus muscles (meta- 
soma). 
49. Superficial dorso-ventral muscle (metasoma), 
50. Median antero-posterior muscle (metasoma). 
50 a. Arthrodio-sternal rectus muscle (metasoma). 
51. Lateral antero-posterior muscle (metasoma). 
52-55. Median antero-posterior muscles (metasoma). 
56-60. Lateral arthrodio-sternal muscles (meta- 
soma). 
61. Dorso-chelicero-sternal muscle. 
62. Median dorso-preoral entosclerite muscle. 
63. Anterior dorso-plastron muscle. 
64. Median dorso-plastron muscle. 
65. Posterior dorso-plastron muscle. 
66. Dorso-suprapectinal chondrite muscle. 
67-70. Dorso-yentral muscles (mesosoma). 
71. Dorso-ventral muscle (metasoma). 
72. Anterior second coxo-plastron muscle. 
73. Third deutomerite-plastron muscle. 
74. Third postcoxal entosclerite-plastron muscle. 
75. Median second coxo-plastron muscle. 
76. Posterior second coxo-plastron muscle. 
77. Fourth deutomerite-plastron muscle. 
78. Fourth postcoxal entosclerite-plastron muscle. 
79. Auterior epimero-plastron muscle. 
80. Fifth deutomerite-plastron muscle. 
81. Median epimero-plastron muscle. 
82. Sixth deutomerite-plastron muscle. 
83. Posterior epimero-plastron muscle. 
84. Sterno-subneural plastron muscle. 
85. Operculo-plastron muscle. 
86. Plastron suprapectinal chondrite muscle. 
86.4. Sixth coxo-plastron muscle. 
87. Epimero-suprapectinal chondrite muscle. 
88. Posterior pectine suprapectinal chondrite 
muscle. 
89. Sterno-suprapectinal chondrite muscle. 
90. Anterior pectine suprapectinal chondrite muscle, 
91. Interior pectine suprapectinal chondrite muscle. 
92. Exterior pectine suprapectinal chondrite muscle. 
93. Anterior 
muscle. 
94. Median latero-dorsal preoral entosclerite muscle. 
latero-dorsal preoral entosclerite 
vou. x1.—part x. No. 7.—Way, 1885. 
95. Posterior 
muscle. 
latero-dorsal preoral entosclerite 
96. Anterior first-coxal entosclerite preoral ento- 
sclerite muscle. 
97. Posterior first-coxal entosclerite preoral ento- 
sclerite muscle. 
98. Anterior preoral entosclerite-pharyngeal muscle. 
99. Posterior preoral entosclerite-pharyngeal muscle. 
100, Exterior first-coxal entosclerite-deutomerite 
muscle, 
101. Interior  first-coxal 
muscle. 
entosclerite-deutomerite 
102. Third-coxal entosclerite-deutomerite muscle. 
103. Fourth-coxal entosclerite-deutomerite muscle. 
104, Fifth coxo-deutomerite muscle. 
105. Sixth coxo-deutomerite muscle. 
106, Superior first dorso-deutomerite muscle. 
107. Inferior first dorso-deutomerite muscle. 
108. Second dorso-deutomerite muscle. 
109. Exterior first dorso-coxal muscle. 
110. Interior first dotso-coxal muscle. 
111. Superior first dorso-coxal muscle. 
112. Anterior second dorso-coxal muscle. 
113. Posterior second dorso-coxal muscle. 
114, Third dorso-coxal muscle. 
115. Fourth dorso-coxal muscle. 
116. Anterior fifth dorso-coxal muscle. 
117. Posterior fifth dorso-coxal muscle. 
118. Anterior sixth dorso-coxal muscle. 
119. Posterior sixth dorso-coxal muscle. 
120. Lateral first dorso-coxal entosclerite muscle. 
121. Posterior first dorso-coxal entosclerite muscle. 
122. Third dorso-coxal entosclerite muscle. 
123. Fourth dorso-coxal entosclerite muscle. 
124, Epimero-pectine muscle. 
125. Sterno-pectine muscle. 
126. Anterior dorso-epimeron muscle. 
127. Median dorso-epimeron muscle. 
128. Posterior dorso-epimeron muscle. 
129. Dorsal intrinsic muscle of pharynx. 
130. Lateral intrinsic muscle of pharynx. 
131-137. Pericardio-ventral (veno-pericardiac) 
muscles. 
