ANALYSIS OF THE LESSONS. 



LESSONLXVI. ON MUSCULAR FIBRE, ..f.V V r , p. 223. 



983. What is its condition in the lower animals: in Mollusca. 984. The 

 kinds of fibre in Insects and Crustacea. 985. To what organic structures the 

 striped and non-striped fibre belongs. 986. Fossil muscular fibre, from the Bel- 

 emnite. 987. The subject continued. 988. The integument also fossil. 989. 

 The striped fibre prevalent in the Articulata. 990. Its structure in Insects. 

 991. Demonstration in Blatta Americana. 992. The like in lulus. 993. Muscle 

 in the higher animals seen by unassisted vision. 994. Analyzed by dissection 

 what appears. 995. Structure of an ultimate fibre. 



LESSON LXVIL MUSCULAR FIBRE, CONTINUED, p. 225. 



996. The fibre consists of longitudinal and transverse lines. 99*7. Uncertain 

 in what direction a muscle will split. 998. The myolemma. 999. A distinct 

 tissue: how to show it. 1000. The myolemma not perforated. 1001. Muscular 

 tissue non-vascular. 1002. Yet the substance of muscle is extremely vascular. 



1003. The fibres of animal life abundantly supplied with nerves : their situation. 



1004. Description of them. 1005. Ultimate structure of striped muscle. 1006. 

 How to prepare it. 1007. "What object-glass is necessary to show it. 1008. 

 Appearance of the fibrilte. 1009. The sarcous element. 1010. A twelfth ob- 

 ject-glass desirable. 1011. Built up of cells a double line should be seen. 1012. 

 The sarcolemma. 1013. Resume. 



LESSON LXVIIL COMPOUND TUBULAR TISSUES. MUSCULAR FIBRE, 



CONCLUDED, p. 227. 



1014. Muscular fibre compared with fresh-water algaa. 1015. Demonstration. 

 1016. Characteristics of the algae. 1017. The sporangia. 1018. Mode of prop- 

 agation. 1919. The Callithalmia Baileii. 1020. A bud of it. 1021. Marine 

 alga, from Barbadoes. 1022. Alga from Lake Michigan. 1023. Its cells de- 

 scribed. 1024. Comparison with muscular fibre. 1025. The (apparently) vege- 

 table origin of muscular fibre. 1026. Ultimate element of a muscle. 1027. 

 Analogy with vegetable cells. 1028. Probable generative power of the sarcous 

 element 1029. Muscle in thin transverse section. 1030. Muscle of organic 

 life. 1031. Description. 1032. Size of these fibres. 1033. Arrangement of 

 them. 1034. The fibres of the heart. 1035. The characteristics of the non- 

 striped fibre. 1936. Reagents necessary to show nuclei. 1037. The true struc- 

 ture of muscular fibre discovered by Mr. Wm. Bowman. 



LESSON LXIX. COMPOUND TUBULAR TISSUES, CONTINUED. THE NER- 



TOUS SYSTEM, p. 232. 



1038. The correction of the classification of animals, by Cuvier. 1039. 

 His dissections of nervous systems. 1040. His adoption of external characters 

 for the three lowest classes. 1041. The divisions of the animal kingdom accord- 

 ing to this author. 1042. Animals of the first class. 1043. The molluscous ani- 

 mals. 1044. The Articulata. 1045. The Radiata. 1046. Dr. Grant's system. 

 1047. Dr. Grant's, compared with Cuvier's system. 1048. Reason for the new 

 name proposed for the first class. 1049. The like for the second and third 

 classes. 1050. So for the fourth. 1051. Owen, as opposed to Grant. 1052. 

 The Vertebrata. 1053. Owen's name for it. 1054. The like for Mollusca. 



