. Public school nature-study [microform]. Sciences naturelles; Nature study; Nature; Natural history. 64 NATVHE STUDY LESSONS. T. Th« Appflndagflg. 21. I'oiiit out the apjxinda^es to tlic ImkI)-. 22 (r/) Point out those ncnnst thi; head. (d) How many arc there? (r) Compare their position on opposite sides of the body. The antei'iur fins are theptiloralfitis. {(i) Sketch the pectoral fin of the fish yon are .stiidyiiifj. 23. {a) Observe another pair of fins situated farther back and more nearly on the under surface. The posterior pair of fiiw situated 011 or near the alHlomcn of fish .ire the v
. Public school nature-study [microform]. Sciences naturelles; Nature study; Nature; Natural history. 64 NATVHE STUDY LESSONS. T. Th« Appflndagflg. 21. I'oiiit out the apjxinda^es to tlic ImkI)-. 22 (r/) Point out those ncnnst thi; head. (d) How many arc there? (r) Compare their position on opposite sides of the body. The antei'iur fins are theptiloralfitis. {(i) Sketch the pectoral fin of the fish yon are .stiidyiiifj. 23. {a) Observe another pair of fins situated farther back and more nearly on the under surface. The posterior pair of fiiw situated 011 or near the alHlomcn of fish .ire the ventral or ptlvic fun. {J)) Sketch the ventral fin of the fish you arc study UlAUIlAM Ut' A FlHH. A- Domal Fin. D- IMvii^ Fin. B Caudal Fin. E Fin. C-Anal Fin. L Lateral Lino. 24. {a) Observe the fins extending along the middle of the back. {b^ Stretch them out and observe the number of bony structures forming the framework. The fin along the middle of the back is the dorsal Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Crawford, Mattie Rose. Toronto : Copp, Clark
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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1902
