cover image: Journal of the Royal Asiatic Society of Bengal  1940 (Science)

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Journal of the Royal Asiatic Society of Bengal 1940 (Science)

1940

From the point of origin of the second palisade trachea the ventral trunk runs forwards antero-laterally crossing over the anterior transverse commissural about the middle of the cephalothorax and as it reaches near the end of the anterior commissural it gives off the very short first palisade trachea to join the anterior commissural while it itself runs modio-anteriorly towards the mouth. [...] The other tracheal branches present in the first instar are as follows := (a) The ocular breathing-fold trachea arises from the first spiracular trachea and runs first antero-laterally and then medially to the inner margin of the eye ramifying into the region between the eye and the mouth and the region lying externally to the first thoracic leg. [...] There is a reduction of the thoracic trachea of the third pair of the primary palisade tracheae and of the third pair of the primary spiracular tracheae while the third pair of the secondary palisade and the secondary spiracular tracheae show elongation. [...] The branches of the dorsal trunk either make loops with the branches of the ventral trunk or run to the interior but they never go to the margin of the body. [...] In the first instar the breathing-folds are not developed but the position of the openings of the thoracic breathing-folds is marked by the presence of a pair of thick chitinous rectangular pieces (Text-fig.
technology medicine science
Pages
59
Published in
India
SARF Document ID
sarf.120250
Segment Pages Author Actions
Frontmatter
i-iii unknown view
Post-Embryonic Development of the Respiratory System of Dialeurodes eugeniae Maskell (Homoptera Aleurodidae) together with Preliminary Observations regarding the Mechanism of Respiration in the different Instars
1-20 R. Rakshpal view
On Catfish Spines embedded in the Mesentery of Ophicephalus punctatus Bloch
21-24 S.L. Hora, J.N. Rudra view
On Trematodes Collected in Pilibhit (North India)
25-30 B.S. Gogate view
A Note on Cassia javanica L. and Cassia nodosa Ham. with a Key to the Cultivated Tree Cassias
31-38 V. Narayanaswami view
Blood Grouping in the Deccan and Eastern Ghats
39-49 W.E. Macfarlane view
Explanations to Plate
i-iv unknown view
Backmatter
i-ii unknown view

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