324 
DE.  J.  S.  BOWEEBAJSE:  els’  THE  AXATO:^^Y 
Fig.  28.  Flexuous,  from  Halichondria  ventildbrum,  Johxstox,  x 160  linear : page  287. 
Fig.  29.  Ensifoem,  from  an  unknown  sponge,  xl30  linear:  page  287. 
Fig.  30.  Spiculum,  entieely  spixed,  from  Halichondria  incrustans,  Johxstox,  x260 
linear:  page  288. 
Fig.  31.  Spiculum,  basally  spined,  from  Halichondria  Ingall%  Boweebaxk,  MS.,  X 260 
linear:  page  288. 
Fig.  32.  Spiculum,  MEDIALLY  SPINED,  from  Boweebayk,  MS.,  x260 
linear : page  288. 
Fig.  33.  Spiculum,  APICALLY  SPINED,  from  an  undescribed  sponge,  x 160  linear:  page  288. 
Fig.  34.  Spiculum,  teeminally  spined,  from  an  midescribed  sponge,  X 160  linear : 
page  288. 
Fig.  35.  Equiangulae  teieadiate,  from  Grantia  coim])ressa,  Fleming,  x160  linear: 
page  288. 
Fig.  36.  Rectangulae  teieadiate,  Grantia  tessellata,  Boweebank,  MS.,  x 260  linear : 
page  288. 
Fig.  37.  Equiangulae  teieadiate,  a very  stout  variety  of  form,  from  an  undescribed 
African  sponge,  X 90  linear:  page  288. 
Fig.  38.  Equiangulae  spiculated  teieadiate,  from  Boweebane,  MS., 
X 90  linear : page  288. 
Fig.  39.  Biangulated  quadeieadiate,  from  Halina  BucJclandi,  Boweebank,  MS.,  x 90 
linear:  page  289. 
Fig.  40.  Teifuecated  patento-biteenate,  from  an  undescribed  sponge,  x90  linear: 
page  289. 
Fig.  41.  A view  of  the  end  of  one  of  the  same  spicula  as  that  represented  by  fig.  40. 
X 90  hnear:  page  289. 
Connecting  Sgncula. 
Fig.  42.  Attenuato-expando-teenate,  from  Pachymatisma  Johnstonia,  Boweebane. 
X 90  linear:  page  289. 
Fig.  43.  Cylindeo-expando-teenate,  from  Pachymatisma  Johnstonia,  Boweebane.  x 90 
linear:  page  290. 
Fig.  44.  Patento-teenate,  from  Geodia  IPAndrewii,  Boweebane,  MS.,  x 90  Imeai- : 
page  290. 
Fig.  45.  Recuevo-teenate,  from  Geodia  Barretti,  Boweebane,  MS.,  x90  linear:  page 
290. 
Fig.  46.  Fuecated  attenuato-patento-teenate,  from  Pachymatisma  lAsteri,  Boweebane, 
MS.,  X 90  linear:  page  290. 
Fig.  47.  A view  of  the  ternate  termination  of  one  of  the  same  spicula  represented  by 
fig.  46,  X 90  linear:  page  290. 
Fig.  48.  Spiculated  dichotomo-patento-teenate.  Sponge  unknown,  x260  Imear: 
page  290. 
