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  1. NLM Digital Collections - The elements of materia medica and therapeutics (Volume 2) 
    Publication: Philadelphia : Lea and Blanchard, 1846
    resource.nlm.nih.gov/101507075X2
    ... Mexico. Cultivation.—The cochineal insects feed on the Nopal (Opuntia cochinil- lifera). Mr. Ward (Mexico in 1827, vol. ...
  2. NLM Digital Collections - The elements of materia medica and therapeutics (Volume 2) 
    Publication: Philadelphia : Lea & Blanchard, 1843
    resource.nlm.nih.gov/101507072X2
    ... Mexico. Cultivation.—The cochineal insects feed on the Nopal (Opuntia cochinil- lifera). Mr. Ward (Mexico in 1827, vol. ... Before the rainy season commences, branches of the nopal plant, loaded with ... Opuntia coc/dnillifera. destroyed by the weather. Commerce—In ...
  3. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Lippincott, Grambo and Co., 1854
    resource.nlm.nih.gov/101539490
    ... of culture. The Indians form plantations of the nopal (Opuntia cochinillefera), upon which the insect feeds and propagates. ...
  4. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Grigg & Elliot, 1845
    resource.nlm.nih.gov/101539484
    ... of culture. The Indians form plantations of the nopal (Opuntia cochinillefera), upon which the insect feeds and propagates. ...
  5. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Grigg & Elliot, 1843
    resource.nlm.nih.gov/101539482
    ... of culture. The Indians form plantations of the nopal {Opuntia cochinillefera), upon which the insect PART i. Coccus. ...
  6. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Grigg & Elliot, 1847
    resource.nlm.nih.gov/101539485
    ... of culture. The Indians form plantations of the nopal (Opuntia cochinillefera), upon which the insect feeds and propagates. ...
  7. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Lippincott, 1858
    resource.nlm.nih.gov/101539491
    ... of culture. The Indians form plantations of the nopal (Opuntia cochinillifera), upon which the insect feeds and propa- ...
  8. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Grigg, Elliot & Co., 1849
    resource.nlm.nih.gov/101539487
    ... of culture. The Indians form plantations of the nopal ( Opuntia cochinillefera), upon which the insect feeds and propagates. ...
  9. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Lippincott, Grambo and Co., 1851
    resource.nlm.nih.gov/101539489
    ... form 262 Coccus. PART I. plantations of the nopal (Opuntia cochinillefera), upon which the insect feeds and propagates. ...
  10. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Lippincott, 1880
    resource.nlm.nih.gov/101539502
    ... of culture. The Indians form plantations of the nopal ( Opuntia cochinilliferd), upon which the insect feeds and propagates. ...
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