AND ENDOSKELETAL SYSTEMS OF SCORPIO. 



359 



39-44. Arthrodio-tcrgal rectus muscles (metasoma). 

 45-48. Arthrodio-tergal obliquus muscles (meta- 

 soma). 



49. Superficial dorso-ventral musclo (metasoma). 



50. Median antero-posterior muscle (metasoma). 

 50 a. Arthrodio-sternal rectus muscle (metasoma). 



51. Lateral antero-postorior muscle (metasoma). 

 52-55. Median antero-posterior muscles (metasoma). 

 56-GO. 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-suprapeetinal chondrite muscle. 

 67-70. Dorso-ventral 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. Anterior epimero-plastron muscle. 



80. Fifth deutomerite-plastron muscle. 

 <S1. Median epimero-plastron musclo. 



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 a. 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 latoro - dorsal preoral entosclerite 



muscle. 



94. Median latcro-dorsal preoral entosclerite muscle. 



95. Posterior latcro-dorsal preoral entosclerite 



muscle. 



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 



musclo. 



101. Interior first-coxal entosclerite-deutomerite 



muscle. 



102. Third-coxal entosclerite-deutomerite muscle. 



103. Fourth-coxal entosclerite-deutomerite muscle. 



104. Fifth coxo-deutomerite muscle. 



105. Sixth coxo-deutomerito 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 dorso-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-pectino muscle. 



125. Sterno-pcctine 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. Pcricardio-veutral (veno -pericardiac) 



muscles. 



vol. xi. — part x. No. 7. — May, 1885. 



3h 



