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Dr. Haeckel to accept as such. The first is the Tunicata, one of the 
Ascidian molluscs. The part marked g is supposed to be the rudimentary 
brain, and that marked c the rudimentary lung. 
a Oval aperture, b Atrial aperture, c Pharyngeal, or branched sac, with its rows 
of ciliated apertures, d Alimentary canal, with its hamal flexure. / Atrium 
g Nervous ganglion. 
This creature is, you will perceive, most unlike a man, and not very much 
like a fish, yet we are told that we are to believe, or else be considered 
unscientific, that from it was produced the first primitive vertebrate animal, 
the lancelet, and that from this, in process of time, sprang all the classes. 
Diagram of the Lancelet { AmpMoxus ). 
m Mouth surrounded by cartilaginous cirri, p Greatly-dilated pharynx, perforated 
by ciliated clefts, i Intestines, h Hamal system, with pulsating dilations, ch Noto- 
chord. h Spinal cord. 
orders, and species of the sub-kingdom Vertebrata. This creature, you 
will observe, is one of negation : without eyes, without heart, and without 
back bone ; and yet Dr. Haeckel calls upon us to revere it as being 
our progenitor. The learned Doctor may do so, but I cannot. At this 
late hour it would be impossible for me to go into the question of the 
degradation of organs to which our Chairman has referred to, suffice it to 
